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From: Shyam Saini <mayhs11saini@gmail.com>
To: Pankaj Suryawanshi <pankaj.suryawanshi@einfochips.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: CMA area pages information
Date: Thu, 4 Apr 2019 19:58:41 +0530	[thread overview]
Message-ID: <CAOfkYf6U3wcs-Z02bHQt5tGXPMbd9cwRwB0GE4i=E93DGs_FZw@mail.gmail.com> (raw)
In-Reply-To: <SG2PR02MB3098C85455119FC48383A332E8500@SG2PR02MB3098.apcprd02.prod.outlook.com>

[-- Attachment #1: Type: text/plain, Size: 37296 bytes --]

On Thu, Apr 4, 2019 at 7:52 PM Pankaj Suryawanshi <
pankaj.suryawanshi@einfochips.com> wrote:

>
> ________________________________________
> From: Pankaj Suryawanshi
> Sent: 01 April 2019 16:34
> To: linux-kernel@vger.kernel.org; linux-mm@kvack.org
> Subject: Re: CMA area pages information
>
>
> ________________________________________
> From: Pankaj Suryawanshi
> Sent: 01 April 2019 13:26
> To: linux-kernel@vger.kernel.org; linux-mm@kvack.org
> Subject: CMA area pages information
>
> Hello,
>
> Is there any way to get CMA area pages information (tool/application) ?
>
> Trying to get CMA-pages info using /tools/vm/page-types.c
>
> 1. Allocate 100 mb using sample app.
> 2. Try to get page info using page-types.c.
>
> Note: cma base-pfn: 0x60000
>           cma reserved 1026 Mib
>
> Pages info i got is
>
> ./test -p 3401 -L
> voffset offset  flags
> 5c1a3   70e92   ___U_lA____M______________________________
> 5c1a4   73104   ___U_l_____M______________________________
> 5c1a6   70ad1   ___U_lA____Ma_b___________________________
> 71ea1   9f470   __RU_l_____M______u_______________________
> 71ea2   9f471   __RU_l_____M______u_______________________
> 71ea3   9f472   __RU_l_____M______u_______________________
> 71ea4   9f473   __RU_l_____M______u_______________________
> 71ea5   9f485   __RU_l_____M______u_______________________
> 71ea6   9f486   __RU_l_____M______u_______________________
> 71ea7   9f487   __RU_l_____M______u_______________________
> 71ea8   9f488   __RU_l_____M______u_______________________
> 71ea9   9f489   __RU_l_____M______u_______________________
> 71eaa   9f48a   __RU_l_____M______u_______________________
> 71eab   9f48b   __RU_l_____M______u_______________________
> 71eac   9f48c   __RU_l_____M______u_______________________
> 71ead   9f48d   __RU_l_____M______u_______________________
> 71eae   9f48e   __RU_l_____M______u_______________________
> 71eaf   9f48f   __RU_l_____M______u_______________________
> 71eb0   9f490   __RU_l_____M______u_______________________
> 71eb1   9f491   __RU_l_____M______u_______________________
> 71eb2   9f492   __RU_l_____M______u_______________________
> 71eb3   9f493   __RU_l_____M______u_______________________
> 71eb4   9f494   __RU_l_____M______u_______________________
> 71eb5   9f495   __RU_l_____M______u_______________________
> 71eb6   9f496   __RU_l_____M______u_______________________
> 71eb7   9f497   __RU_l_____M______u_______________________
> 71eb8   9f498   __RU_l_____M______u_______________________
> 71eb9   9f499   __RU_l_____M______u_______________________
> 71eba   9f49a   __RU_l_____M______u_______________________
> 71ebb   9f49b   __RU_l_____M______u_______________________
> 71ebc   9f49c   __RU_l_____M______u_______________________
> 71ebd   9f49d   __RU_l_____M______u_______________________
> 71ebe   9f49e   __RU_l_____M______u_______________________
> 71ebf   9f49f   __RU_l_____M______u_______________________
> 71ec0   9f4a0   __RU_l_____M______u_______________________
> 71ec1   9f56b   __RU_l_____M______u_______________________
> 71ec2   9f56c   __RU_l_____M______u_______________________
> 71ec3   9f56d   __RU_l_____M______u_______________________
> 71ec4   9f56e   __RU_l_____M______u_______________________
> 71ec5   9f56f   __RU_l_____M______u_______________________
> 71ec6   9f570   __RU_l_____M______u_______________________
> 71ec7   9f571   __RU_l_____M______u_______________________
> 71ec8   9f572   __RU_l_____M______u_______________________
> 71ec9   9f573   __RU_l_____M______u_______________________
> 71eca   9f574   __RU_l_____M______u_______________________
> 71ecb   9f575   __RU_l_____M______u_______________________
> 71ecc   9f576   __RU_l_____M______u_______________________
> 71ecd   9f577   __RU_l_____M______u_______________________
> 71ece   9f578   __RU_l_____M______u_______________________
> 71ecf   9f579   __RU_l_____M______u_______________________
> 71ed0   9f57a   __RU_l_____M______u_______________________
> 71ed1   9f57b   __RU_l_____M______u_______________________
> 71ed2   9f57c   __RU_l_____M______u_______________________
> 71ed3   9f5ea   __RU_l_____M______u_______________________
> 71ed4   9f5eb   __RU_l_____M______u_______________________
> 71ed5   9f5ec   __RU_l_____M______u_______________________
> 71ed6   9f5ed   __RU_l_____M______u_______________________
> 71ed7   9f5ee   __RU_l_____M______u_______________________
> 71ed8   9f5ef   __RU_l_____M______u_______________________
> 71ed9   9f5f0   __RU_l_____M______u_______________________
> 71eda   9f5f1   __RU_l_____M______u_______________________
> 71edb   9f5f2   __RU_l_____M______u_______________________
> 71edc   9f5f3   __RU_l_____M______u_______________________
> 71edd   9f5f4   __RU_l_____M______u_______________________
> 71ede   9f5f5   __RU_l_____M______u_______________________
> 71edf   9f5f6   __RU_l_____M______u_______________________
> 71ee0   9f5f7   __RU_l_____M______u_______________________
> 71ee1   9f5f8   __RU_l_____M______u_______________________
> 71ee2   9f5f9   __RU_l_____M______u_______________________
> 71ee3   9f5fa   __RU_l_____M______u_______________________
> 71ee4   9f5fb   __RU_l_____M______u_______________________
> 71ee5   9f5fc   __RU_l_____M______u_______________________
> 71ee6   9f5fd   __RU_l_____M______u_______________________
> 71ee7   9f5fe   __RU_l_____M______u_______________________
> 71ee8   9f5ff   __RU_l_____M______u_______________________
> 71ee9   9f600   __RU_l_____M______u_______________________
> 71eea   9f601   __RU_l_____M______u_______________________
> 71eeb   9f602   __RU_l_____M______u_______________________
> 71eec   9f603   __RU_l_____M______u_______________________
> 71eed   9f604   __RU_l_____M______u_______________________
> 71eee   9f605   __RU_l_____M______u_______________________
> 71eef   9f606   __RU_l_____M______u_______________________
> 71ef0   9f607   __RU_l_____M______u_______________________
> 71ef1   9f608   __RU_l_____M______u_______________________
> 71ef2   9f609   __RU_l_____M______u_______________________
> 71ef3   9f6b2   __RU_lA____M______________________________
> 71ef4   9f6b3   __RU_l_____M______u_______________________
> 71ef5   9f6b4   __RU_l_____M______u_______________________
> 71ef6   9f6b5   __RU_l_____M______u_______________________
> 71ef7   9f6b6   __RU_l_____M______u_______________________
> 71ef8   9f6b7   __RU_l_____M______u_______________________
> 71ef9   9f6b8   __RU_l_____M______u_______________________
> 71efa   9f6b9   __RU_l_____M______u_______________________
> 71efb   9f6ba   __RU_l_____M______u_______________________
> 71efc   9f67e   __RU_l_____M______u_______________________
> 71efd   9f67f   __RU_l_____M______u_______________________
> 71efe   9f680   __RU_l_____M______u_______________________
> 71eff   9f681   __RU_l_____M______u_______________________
> 71f00   9f682   __RU_l_____M______u_______________________
> 71f01   9f683   __RU_l_____M______u_______________________
> 71f02   9f684   __RU_l_____M______u_______________________
> 71f03   9f685   __RU_l_____M______u_______________________
> 71f04   9f686   __RU_l_____M______u_______________________
> 71f05   9f687   __RU_l_____M______u_______________________
> 71f06   9f688   __RU_l_____M______u_______________________
> 71f07   9f689   __RU_l_____M______u_______________________
> 71f08   9f68a   __RU_l_____M______u_______________________
> 71f09   9f68b   __RU_l_____M______u_______________________
> 71f0a   9f68c   __RU_l_____M______u_______________________
> 71f0b   9f68d   __RU_l_____M______u_______________________
> 71f0c   9f68e   __RU_l_____M______u_______________________
> 71f0d   9f68f   __RU_l_____M______u_______________________
> 71f0e   9f690   __RU_l_____M______u_______________________
> 71f0f   9f691   __RU_l_____M______u_______________________
> 71f10   9f692   __RU_l_____M______u_______________________
> 71f11   9f693   __RU_l_____M______u_______________________
> 71f12   9f694   __RU_l_____M______u_______________________
> 71f13   9f695   __RU_l_____M______u_______________________
> 71f15   9f697   __RU_l_____M______u_______________________
> 71f16   9f698   __RU_l_____M______u_______________________
> 71f17   9f699   __RU_l_____M______u_______________________
> 71f18   9f69a   __RU_l_____M______u_______________________
> 71f19   9f69b   __RU_l_____M______u_______________________
> 71f1a   9f69c   __RU_l_____M______u_______________________
> 71f1b   9f69d   __RU_l_____M______u_______________________
> 71f1c   9f69f   __RU_l_____M______u_______________________
> 71f1d   9f6a0   __RU_l_____M______u_______________________
> 71f1e   9f6a1   __RU_l_____M______u_______________________
> 71f1f   9f6a2   __RU_l_____M______u_______________________
> 71f20   9f6a3   __RU_l_____M______u_______________________
> 71f21   9f6a4   __RU_l_____M______u_______________________
> 71f22   9f6a5   __RU_l_____M______u_______________________
> 71f23   9f6a6   __RU_l_____M______u_______________________
> 71f24   9f6a7   __RU_l_____M______u_______________________
> 71f25   9f6a8   __RU_l_____M______u_______________________
> 71f26   9f6a9   __RU_lA____M______________________________
> 71f27   9f6aa   __RU_lA____M______________________________
> 71f28   9f6ab   __RU_lA____M______________________________
> 71f29   9f6ac   __RU_lA____M______________________________
> 71f2b   9f6ae   __RU_lA____M______________________________
> 71f2c   9f474   __RU_lA____M______________________________
> 71f2d   9f475   __RU_lA____M______________________________
> 71f2e   9f476   __RU_lA____M______________________________
> 71f2f   9f477   __RU_lA____M______________________________
> 71f34   819bb   ___U_lA____Ma_b___________________________
> 71f35   81a0b   ___U_lA____Ma_b___________________________
> 71f36   7e16f   ___UDlA____Ma_b___________________________
> 71f37   7e403   ___UDlA____Ma_b___________________________
> 71f38   8444e   ___U_lA____Ma_b___________________________
> 71f39   72081   ___U_lA____Ma_b___________________________
> 71f3a   7e713   ___UDlA____Ma_b___________________________
> 71f5e   9f677   __RU_l_____M______u_______________________
> 71f5f   9f678   __RU_l_____M______u_______________________
> 71f60   9f679   __RU_l_____M______u_______________________
> 71f61   9f67a   __RU_l_____M______u_______________________
> 71f62   79818   ___UDlA____Ma_b___________________________
> 71f63   7045d   ___U_lA____Ma_b___________________________
> 71f80   815d8   ___U_lA____Ma_b___________________________
> 71f83   70a66   ___U_lA____Ma_b___________________________
> 71f84   852c5   ___U_lA____Ma_b___________________________
> 71f89   86d18   ___U_lA____Ma_b___________________________
> 71f93   795cb   ___U_lA____Ma_b___________________________
> 71f94   85b2b   ___U_lA____Ma_b___________________________
> 71f97   74499   ___U_lA____Ma_b___________________________
> 71f98   86a2e   ___U_lA____Ma_b___________________________
> 72000   7ddb1   ___U_lA____Ma_b___________________________
> 72001   859f1   ___U_lA____Ma_b___________________________
> 72005   70f79   ___U_lA____Ma_b___________________________
> 72009   799d9   ___UDlA____Ma_b___________________________
> 7208c   9f548   __RU_l_____M______u_______________________
> 7208d   9f549   __RU_l_____M______u_______________________
> 7208e   9f54a   __RU_l_____M______u_______________________
> 7208f   9f54b   __RU_l_____M______u_______________________
> 72090   9f55d   __RU_l_____M______u_______________________
> 72091   9f55e   __RU_l_____M______u_______________________
> 72092   9f55f   __RU_l_____M______u_______________________
> 72093   9f560   __RU_l_____M______u_______________________
> 72094   9f561   __RU_l_____M______u_______________________
> 72095   9f562   __RU_l_____M______u_______________________
> 72096   9f563   __RU_l_____M______u_______________________
> 72097   9f564   __RU_l_____M______u_______________________
> 72098   9f565   __RU_l_____M______u_______________________
> 72099   9f566   __RU_l_____M______u_______________________
> 7209a   9f567   __RU_l_____M______u_______________________
> 7209b   9f568   __RU_l_____M______u_______________________
> 720ad   7354b   ___U_lA____Ma_b___________________________
> 720ae   79029   ___UDlA____Ma_b___________________________
> 720cb   9f4ba   __RU_l_____M______u_______________________
> 720cc   9f4bb   __RU_l_____M______u_______________________
> 720cd   9f4bc   __RU_l_____M______u_______________________
> 720ce   9f4bd   __RU_l_____M______u_______________________
> 720cf   9f4ef   __RU_l_____M______u_______________________
> 720d0   9f4f0   __RU_l_____M______u_______________________
> 720d1   9f4f1   __RU_l_____M______u_______________________
> 720d2   9f4f2   __RU_l_____M______u_______________________
> 720d3   9f4f3   __RU_l_____M______u_______________________
> 720d4   9f4f4   __RU_l_____M______u_______________________
> 720d5   9f4f5   __RU_l_____M______u_______________________
> 720d6   9f4f6   __RU_l_____M______u_______________________
> 720d7   9f4f7   __RU_l_____M______u_______________________
> 720d8   9f4f8   __RU_l_____M______u_______________________
> 720d9   9f4f9   __RU_l_____M______u_______________________
> 720da   9f4fa   __RU_l_____M______u_______________________
> 720db   9f4fb   __RU_l_____M______u_______________________
> 720dc   9f4fc   __RU_l_____M______u_______________________
> 720dd   9f4fd   __RU_l_____M______u_______________________
> 720de   9f4fe   __RU_l_____M______u_______________________
> 720df   9f4ff   __RU_l_____M______u_______________________
> 720e0   9f500   __RU_l_____M______u_______________________
> 720e1   9f501   __RU_l_____M______u_______________________
> 720e2   9f502   __RU_l_____M______u_______________________
> 720e3   9f503   __RU_l_____M______u_______________________
> 720e4   9f504   __RU_l_____M______u_______________________
> 720e5   9f505   __RU_l_____M______u_______________________
> 720e6   9f506   __RU_l_____M______u_______________________
> 720e7   9f507   __RU_l_____M______u_______________________
> 720e8   9f508   __RU_l_____M______u_______________________
> 720e9   9f509   __RU_l_____M______u_______________________
> 720ea   9f50a   __RU_l_____M______u_______________________
> 720eb   9f5b8   __RU_l_____M______u_______________________
> 720ec   9f5b9   __RU_l_____M______u_______________________
> 720ed   9f5ba   __RU_l_____M______u_______________________
> 720ee   9f5bb   __RU_l_____M______u_______________________
> 720ef   9f5bc   __RU_l_____M______u_______________________
> 720f0   9f5bd   __RU_l_____M______u_______________________
> 720f1   9f5be   __RU_l_____M______u_______________________
> 720f2   9f5bf   __RU_l_____M______u_______________________
> 720f3   9f5c0   __RU_l_____M______u_______________________
> 720f4   9f5c1   __RU_l_____M______u_______________________
> 720f5   9f5c2   __RU_l_____M______u_______________________
> 720f6   9f5c3   __RU_l_____M______u_______________________
> 720f7   9f5c4   __RU_l_____M______u_______________________
> 720f8   9f5c5   __RU_l_____M______u_______________________
> 720f9   9f5c6   __RU_l_____M______u_______________________
> 720fa   9f5c7   __RU_l_____M______u_______________________
> 720fb   9f5c8   __RU_l_____M______u_______________________
> 720fc   9f5c9   __RU_l_____M______u_______________________
> 720fd   9f5ca   __RU_l_____M______u_______________________
> 720fe   9f5cb   __RU_l_____M______u_______________________
> 720ff   9f5cc   __RU_l_____M______u_______________________
> 72100   9f5cd   __RU_l_____M______u_______________________
> 72101   9f5ce   __RU_l_____M______u_______________________
> 72102   9f5cf   __RU_l_____M______u_______________________
> 72103   9f5d0   __RU_l_____M______u_______________________
> 72104   9f5d1   __RU_l_____M______u_______________________
> 72105   9f5d2   __RU_l_____M______u_______________________
> 72106   9f5d3   __RU_l_____M______u_______________________
> 72107   9f5d4   __RU_l_____M______u_______________________
> 72108   9f5d5   __RU_l_____M______u_______________________
> 72109   9f5d6   __RU_l_____M______u_______________________
> 7210a   9f5d7   __RU_l_____M______u_______________________
> 7210b   9f6bc   __RU_lA____M______________________________
> 7210c   9f6bd   __RU_l_____M______u_______________________
> 7210d   9f6be   __RU_l_____M______u_______________________
> 7210e   9f6bf   __RU_l_____M______u_______________________
> 7210f   9f62e   __RU_l_____M______u_______________________
> 72110   9f62f   __RU_l_____M______u_______________________
> 72111   9f630   __RU_l_____M______u_______________________
> 72112   9f631   __RU_l_____M______u_______________________
> 72113   9f632   __RU_l_____M______u_______________________
> 72114   9f633   __RU_l_____M______u_______________________
> 72115   9f634   __RU_l_____M______u_______________________
> 72116   9f635   __RU_l_____M______u_______________________
> 72117   9f636   __RU_l_____M______u_______________________
> 72118   9f637   __RU_l_____M______u_______________________
> 72119   9f638   __RU_l_____M______u_______________________
> 7211a   9f639   __RU_l_____M______u_______________________
> 7211b   9f63a   __RU_l_____M______u_______________________
> 7211c   9f63b   __RU_l_____M______u_______________________
> 7211d   9f63c   __RU_l_____M______u_______________________
> 7211e   9f63d   __RU_l_____M______u_______________________
> 7211f   9f63e   __RU_l_____M______u_______________________
> 72120   9f63f   __RU_l_____M______u_______________________
> 72121   9f640   __RU_l_____M______u_______________________
> 72122   9f641   __RU_l_____M______u_______________________
> 72123   9f642   __RU_l_____M______u_______________________
> 72124   9f643   __RU_l_____M______u_______________________
> 72125   9f644   __RU_l_____M______u_______________________
> 72126   9f645   __RU_l_____M______u_______________________
> 72127   9f646   __RU_l_____M______u_______________________
> 72128   9f647   __RU_l_____M______u_______________________
> 72129   9f648   __RU_l_____M______u_______________________
> 7212a   9f649   __RU_l_____M______u_______________________
> 7212b   9f64a   __RU_l_____M______u_______________________
> 7212c   9f64b   __RU_l_____M______u_______________________
> 7212d   9f64c   __RU_l_____M______u_______________________
> 7212e   9f64d   __RU_l_____M______u_______________________
> 7212f   9f64e   __RU_l_____M______u_______________________
> 72130   9f64f   __RU_l_____M______u_______________________
> 72131   9f650   __RU_l_____M______u_______________________
> 72132   9f651   __RU_l_____M______u_______________________
> 72133   9f652   __RU_l_____M______u_______________________
> 72134   9f653   __RU_l_____M______u_______________________
> 72135   9f654   __RU_l_____M______u_______________________
> 72136   9f655   __RU_l_____M______u_______________________
> 72137   9f656   __RU_l_____M______u_______________________
> 72138   9f657   __RU_l_____M______u_______________________
> 72139   9f658   __RU_l_____M______u_______________________
> 7213a   9f659   __RU_l_____M______u_______________________
> 7213b   9f65a   __RU_l_____M______u_______________________
> 7213c   9f65b   __RU_l_____M______u_______________________
> 7213d   9f65c   __RU_l_____M______u_______________________
> 7213e   9f65d   __RU_l_____M______u_______________________
> 7213f   9f663   __RU_l_____M______u_______________________
> 72140   9f664   __RU_l_____M______u_______________________
> 72141   9f665   __RU_l_____M______u_______________________
> 72142   9f666   __RU_l_____M______u_______________________
> 72143   9f667   __RU_l_____M______u_______________________
> 72144   9f668   __RU_l_____M______u_______________________
> 72145   9f669   __RU_l_____M______u_______________________
> 72146   9f532   __RU_l_____M______u_______________________
> 72147   9f615   __RU_l_____M______u_______________________
> 72148   9f616   __RU_l_____M______u_______________________
> 72149   9f617   __RU_l_____M______u_______________________
> 7214a   9f618   __RU_l_____M______u_______________________
> 7214b   9f619   __RU_l_____M______u_______________________
> 7214c   9f61a   __RU_l_____M______u_______________________
> 7214d   9f61b   __RU_l_____M______u_______________________
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> 7214f   9f61d   __RU_l_____M______u_______________________
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> 72151   9f61f   __RU_l_____M______u_______________________
> 72152   9f620   __RU_l_____M______u_______________________
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> 72156   9f624   __RU_l_____M______u_______________________
> 72157   9f625   __RU_l_____M______u_______________________
> 72158   9f626   __RU_l_____M______u_______________________
> 72159   9f627   __RU_l_____M______u_______________________
> 7215a   9f628   __RU_l_____M______u_______________________
> 7215b   9f629   __RU_l_____M______u_______________________
> 7215c   9f62a   __RU_l_____M______u_______________________
> 7215d   9f4cf   __RU_l_____M______u_______________________
> 7215e   9f4d0   __RU_l_____M______u_______________________
> 7215f   9f4d1   __RU_l_____M______u_______________________
> 72160   9f4d2   __RU_l_____M______u_______________________
> 72161   9f4d3   __RU_l_____M______u_______________________
> 72162   9f4d4   __RU_l_____M______u_______________________
> 72163   9f4d5   __RU_l_____M______u_______________________
> 72164   9f4d6   __RU_l_____M______u_______________________
> 72165   9f4d7   __RU_l_____M______u_______________________
> 72166   9f4d8   __RU_l_____M______u_______________________
> 72167   9f4d9   __RU_l_____M______u_______________________
> 72168   9f4da   __RU_l_____M______u_______________________
> 72169   9f4db   __RU_l_____M______u_______________________
> 7216a   9f4dc   __RU_l_____M______u_______________________
> 7216b   7e111   ___U_lA____Ma_b___________________________
> 7216c   81afb   ___UDlA____Ma_b___________________________
> 7216d   85c4e   ___UDlA____Ma_b___________________________
> 7216e   72289   ___U_lA____Ma_b___________________________
> 7216f   7e776   ___UDlA____Ma_b___________________________
> 72170   7e7a3   ___UDlA____Ma_b___________________________
> 72171   7323b   ___U_lA____Ma_b___________________________
> 72172   73258   ___UDlA____Ma_b___________________________
> 72173   798b6   ___UDlA____Ma_b___________________________
> 72174   730b5   ___UDlA____Ma_b___________________________
> 72175   7de2f   ___U_lA____Ma_b___________________________
> 72176   74623   ___UDlA____Ma_b___________________________
> 72178   794fd   ___UDlA____Ma_b___________________________
> 72179   7ab43   ___U_lA____Ma_b___________________________
> 721b2   9c571   __RU_lA____M______________________________
> 721b4   9c573   __RU_lA____M______________________________
> 721b5   9c574   __RU_lA____M______________________________
> 721b6   72364   ___U_lA____Ma_b___________________________
> 721b7   8554a   ___U_lA____Ma_b___________________________
> 721c3   9f50b   __RU_l_____M______u_______________________
> 721c4   78337   ___UDlA____Ma_b___________________________
> 721ef   9f02b   __RUDl_____M__b___u_______________________
> 721f0   9f29b   __RUDl_____M__b___u_______________________
> 7220f   9f068   __RUDl_____M__b___u_______________________
> 7222f   71d8a   ___UDlA____Ma_b___________________________
> 72240   86654   ___U_lA____Ma_b___________________________
> 72243   790f4   ___UDlA____Ma_b___________________________
> 72244   811c7   ___U_lA____Ma_b___________________________
> 72245   8872e   __RUDl_____M__b___u_______________________
> 72246   8875d   __RUDl_____M__b___u_______________________
> 72247   8875c   __RUDl_____M__b___u_______________________
> 72248   8877d   __RUDl_____M__b___u_______________________
> 72249   8877c   __RUDl_____M__b___u_______________________
> 7224a   8877e   __RUDl_____M__b___u_______________________
> 7224b   8877b   __RUDl_____M__b___u_______________________
> 7224c   82234   ___U_lA____Ma_b___________________________
> 7224d   73559   ___UDlA____Ma_b___________________________
> 7224e   91c51   ___U_lA____Ma_b___________________________
> 7224f   9f036   __RUDl_____M__b___u_______________________
> 7226f   8d1d8   ___U_lA____Ma_b___________________________
> 72270   819f7   ___U_lA____Ma_b___________________________
> 72271   720dc   ___U_lA____Ma_b___________________________
> 72272   9f023   __RUDl_____M__b___u_______________________
> 72295   9f068   __RUDl_____M__b___u_______________________
> 722b5   8bd9d   ___U_lA____Ma_b___________________________
> 722b6   8872e   __RUDl_____M__b___u_______________________
> 722b7   8875d   __RUDl_____M__b___u_______________________
> 722b8   8875c   __RUDl_____M__b___u_______________________
> 722b9   8877d   __RUDl_____M__b___u_______________________
> 722ba   8877c   __RUDl_____M__b___u_______________________
> 722bb   8877e   __RUDl_____M__b___u_______________________
> 722bc   8877b   __RUDl_____M__b___u_______________________
> 722bd   81651   ___U_lA____Ma_b___________________________
> 722be   7e251   ___UDlA____Ma_b___________________________
> 722bf   720e8   ___U_lA____Ma_b___________________________
> 722c0   8183b   ___UDlA____Ma_b___________________________
> 722c1   84b5b   ___U_lA____Ma_b___________________________
> 722c2   8346a   ___UDlA____Ma_b___________________________
> 722c8   87a04   ___U_lA____Ma_b___________________________
> 722ca   79811   ___UDlA____Ma_b___________________________
> 722ce   9f006   __RU_l_____M______u_______________________
> 722cf   9f007   __RU_l_____M______u_______________________
> 722d0   9f290   __RU_l_____M______u_______________________
> 722d1   9f291   __RU_l_____M______u_______________________
> 722d2   9f3ca   __RU_l_____M______u_______________________
> 722d3   9f3cb   __RU_l_____M______u_______________________
> 722d4   9f3cc   __RU_l_____M______u_______________________
> 722d5   9f3cd   __RU_l_____M______u_______________________
> 722d6   9f3ce   __RU_l_____M______u_______________________
> 722d7   9f3cf   __RU_l_____M______u_______________________
> 722d8   9f3ac   __RU_l_____M______u_______________________
> 722d9   9f3ad   __RU_l_____M______u_______________________
> 722da   9f3ae   __RU_l_____M______u_______________________
> 722db   9f3af   __RU_l_____M______u_______________________
> 722dc   9f3b0   __RU_l_____M______u_______________________
> 722dd   9f3b1   __RU_l_____M______u_______________________
> 722de   9f3b2   __RU_l_____M______u_______________________
> 722df   9f3b3   __RU_l_____M______u_______________________
> 722e0   9f3b4   __RU_l_____M______u_______________________
> 722e1   9f3b5   __RU_l_____M______u_______________________
> 722e2   9f3b6   __RU_l_____M______u_______________________
> 722e3   9f3b7   __RU_l_____M______u_______________________
> 722e4   9f3b8   __RU_l_____M______u_______________________
> 722e5   9f3b9   __RU_l_____M______u_______________________
> 722e6   9f3ba   __RU_l_____M______u_______________________
> 722e7   9f3bb   __RU_l_____M______u_______________________
> 722e8   9f3bc   __RU_l_____M______u_______________________
> 722e9   9f3bd   __RU_l_____M______u_______________________
> 722ea   9f3be   __RU_l_____M______u_______________________
> 722eb   9f3bf   __RU_l_____M______u_______________________
> 722ec   9f340   __RU_l_____M______u_______________________
> 722ed   9f341   __RU_l_____M______u_______________________
> 722ee   9f342   __RU_l_____M______u_______________________
> 722ef   9f343   __RU_l_____M______u_______________________
> 7231a   9f3d8   __RU_l_____M______u_______________________
> 7231b   9f3d9   __RU_l_____M______u_______________________
> 7231c   9f3da   __RU_l_____M______u_______________________
> 7231d   9f3db   __RU_l_____M______u_______________________
> 7231e   9f3dc   __RU_l_____M______u_______________________
> 7231f   9f3dd   __RU_l_____M______u_______________________
> 72320   9f3de   __RU_l_____M______u_______________________
> 72321   9f3df   __RU_l_____M______u_______________________
> 72322   9f3e0   __RU_l_____M______u_______________________
> 72323   9f3e1   __RU_l_____M______u_______________________
> 72324   9f3e2   __RU_l_____M______u_______________________
> 72325   9f3e3   __RU_l_____M______u_______________________
> 72326   9f3e4   __RU_l_____M______u_______________________
> 72327   9f3e5   __RU_l_____M______u_______________________
> 72328   9f3e6   __RU_l_____M______u_______________________
> 72329   9f3e7   __RU_l_____M______u_______________________
> 7232a   9f3e8   __RU_l_____M______u_______________________
> 7232b   9f3e9   __RU_l_____M______u_______________________
> 7232c   9f3ea   __RU_l_____M______u_______________________
> 7232d   9f3eb   __RU_l_____M______u_______________________
> 7232e   9f3ec   __RU_l_____M______u_______________________
> 7232f   9f3ed   __RU_l_____M______u_______________________
> 72340   9f407   __RU_l_____M______u_______________________
> 72341   9f408   __RU_l_____M______u_______________________
> 72342   9f34d   __RU_l_____M______u_______________________
> 72343   9f34e   __RU_l_____M______u_______________________
> 72344   9f34f   __RU_l_____M______u_______________________
> 72345   9f350   __RU_l_____M______u_______________________
> 72346   9f351   __RU_l_____M______u_______________________
> 72347   9f352   __RU_l_____M______u_______________________
> 72348   9f353   __RU_l_____M______u_______________________
> 72349   9f354   __RU_l_____M______u_______________________
> 7234a   9f355   __RU_l_____M______u_______________________
> 7234b   9f356   __RU_l_____M______u_______________________
> 7234c   9f357   __RU_l_____M______u_______________________
> 7234d   9f358   __RU_l_____M______u_______________________
> 7234e   9f359   __RU_l_____M______u_______________________
> 7234f   9f35a   __RU_l_____M______u_______________________
> 72350   9f35b   __RU_l_____M______u_______________________
> 72351   9f35c   __RU_l_____M______u_______________________
> 72352   9f35d   __RU_l_____M______u_______________________
> 72353   9f35e   __RU_l_____M______u_______________________
> 72354   9f35f   __RU_l_____M______u_______________________
> 72355   9f360   __RU_l_____M______u_______________________
> 72356   9f361   __RU_l_____M______u_______________________
> 72357   9f362   __RU_l_____M______u_______________________
> 72358   9f363   __RU_l_____M______u_______________________
> 72359   9f364   __RU_l_____M______u_______________________
> 7235a   9f365   __RU_l_____M______u_______________________
> 7235b   9f366   __RU_l_____M______u_______________________
> 7235c   9f367   __RU_l_____M______u_______________________
> 7235d   9f368   __RU_l_____M______u_______________________
> 7235e   9f369   __RU_l_____M______u_______________________
> 7235f   9f36a   __RU_l_____M______u_______________________
> 72360   9f36b   __RU_l_____M______u_______________________
> 72361   9f36c   __RU_l_____M______u_______________________
> 72362   9f36d   __RU_l_____M______u_______________________
> 72363   9f36e   __RU_l_____M______u_______________________
> 72364   9f36f   __RU_l_____M______u_______________________
> 72365   9f370   __RU_l_____M______u_______________________
> 72366   9f371   __RU_l_____M______u_______________________
> 72367   9f372   __RU_l_____M______u_______________________
> 72368   9f373   __RU_l_____M______u_______________________
> 72369   9f374   __RU_l_____M______u_______________________
> 7236a   9f375   __RU_l_____M______u_______________________
> 7236b   9f376   __RU_l_____M______u_______________________
> 7236c   9f377   __RU_l_____M______u_______________________
> 7236d   9f378   __RU_l_____M______u_______________________
> 7236e   9f379   __RU_l_____M______u_______________________
> 7236f   9f37a   __RU_l_____M______u_______________________
> 72370   9f37b   __RU_l_____M______u_______________________
> 72371   9f37c   __RU_l_____M______u_______________________
> 72372   9f37d   __RU_l_____M______u_______________________
> 72373   9f37e   __RU_l_____M______u_______________________
> 72374   9f37f   __RU_l_____M______u_______________________
> 72375   9f3c0   __RU_l_____M______u_______________________
> 72376   9f3c1   __RU_l_____M______u_______________________
> 72377   9f3c2   __RU_l_____M______u_______________________
> 72378   9f3c3   __RU_l_____M______u_______________________
> 72379   9f3c4   __RU_l_____M______u_______________________
> 7237a   9f3c5   __RU_l_____M______u_______________________
> 7237b   9f3c6   __RU_l_____M______u_______________________
> 7237c   9f3c7   __RU_l_____M______u_______________________
> 7237d   9f3c8   __RU_l_____M______u_______________________
> 7237e   9f3c9   __RU_l_____M______u_______________________
> 7237f   9f3fa   __RU_l_____M______u_______________________
> 72380   9f3fb   __RU_l_____M______u_______________________
> 72381   9f3fc   __RU_l_____M______u_______________________
> 72382   9f29c   __RU_l_____M______u_______________________
> 72383   9f29d   __RU_l_____M______u_______________________
> 72384   9f29e   __RU_l_____M______u_______________________
> 72385   9f29f   __RU_l_____M______u_______________________
> 72386   9f2a0   __RU_l_____M______u_______________________
> 72387   9f2a1   __RU_l_____M______u_______________________
> 72388   9f2a2   __RU_l_____M______u_______________________
> 72389   9f2a3   __RU_l_____M______u_______________________
> 7238a   9f2a4   __RU_l_____M______u_______________________
> 7238b   9f2a5   __RU_l_____M______u_______________________
> 7238c   9f2a6   __RU_l_____M______u_______________________
> 7238d   7e48e   ___UDlA____Ma_b___________________________
> 7238e   8144e   ___U_lA____Ma_b___________________________
> 7238f   81958   ___U_lA____Ma_b___________________________
> 72390   926c6   ___U_lA____Ma_b___________________________
> 72391   79614   ___UDlA____Ma_b___________________________
> 72392   78355   ___U_lA____Ma_b___________________________
> 72393   79992   ___UDlA____Ma_b___________________________
> 72394   79dd1   ___UDlA____Ma_b___________________________
> 72395   70d42   ___U_lA____Ma_b___________________________
> 72396   7049e   ___U_lA____Ma_b___________________________
> 72397   7983a   ___UDlA____Ma_b___________________________
> 72398   7964e   ___UDlA____Ma_b___________________________
> 7239c   74670   ___UDlA____Ma_b___________________________
> 7e954   7468c   ___UDlA____Ma_b___________________________
> 7e955   84f40   ___U_lA____Ma_b___________________________
> 7e956   7dcf3   ___U_lA____Ma_b___________________________
> 7e957   735d5   ___U_lA____Ma_b___________________________
> 7e958   732ea   ___U_lA____Ma_b___________________________
> 7e959   737cb   __RU_lA____Ma_b___________________________
> 7ec00   20ed8   ___________M______________________________
>
>
>              flags      page-count       MB  symbolic-flags
>      long-symbolic-flags
> 0x0000000000000800               1        0
> ___________M______________________________ mmap
> 0x0000000000000828               1        0
> ___U_l_____M______________________________ uptodate,lru,mmap
> 0x000000000004082c             444        1
> __RU_l_____M______u_______________________
> referenced,uptodate,lru,mmap,unevictable
> 0x000000000004483c              20        0
> __RUDl_____M__b___u_______________________
> referenced,uptodate,dirty,lru,mmap,swapbacked,unevictable
> 0x0000000000000868               1        0
> ___U_lA____M______________________________ uptodate,lru,active,mmap
> 0x000000000000086c              14        0
> __RU_lA____M______________________________
> referenced,uptodate,lru,active,mmap
> 0x0000000000005868              47        0
> ___U_lA____Ma_b___________________________
> uptodate,lru,active,mmap,anonymous,swapbacked
> 0x000000000000586c               1        0
> __RU_lA____Ma_b___________________________
> referenced,uptodate,lru,active,mmap,anonymous,swapbacked
> 0x0000000000005878              31        0
> ___UDlA____Ma_b___________________________
> uptodate,dirty,lru,active,mmap,anonymous,swapbacked
>
> What is voffset and Offset ?
> Because cma-reserved range start from 0x60000 and i didnt found single
> page in that range after allocation cma memory ?
>
> I found locked pages with stack trace using page_owner.c
>
> Page allocated via order 0, mask
> 0x14213ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD|__GFP_NOWARN|__GFP_NORETRY)
> PFN 555075 type Movable Block 135 type CMA Flags
> 0x8019042c(referenced|uptodate|lru|arch_1|mappedtodisk|unevictable|mlocked)
>  get_page_from_freelist+0xa98/0xbf8
>  __alloc_pages_nodemask+0xe8/0x124c
>  __do_page_cache_readahead+0x120/0x2c4
>  ondemand_readahead+0x180/0x2b4
>  page_cache_sync_readahead+0x4c/0x6c
>  generic_file_read_iter+0x7e8/0xae4
>  ext4_file_read_iter+0x3c/0x54
>  new_sync_read+0xd4/0x118
>  vfs_read+0x15c/0x1ac
>  SyS_pread64+0xa0/0xbc
>  ret_fast_syscall+0x0/0x4c
> Page has been migrated, last migrate reason: cma
>
>
> but how to know the process name ? who acquire this page ?
>

Did you look at "current" which is pointer to current process.


Thanks.

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  reply	other threads:[~2019-04-04 14:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-01  7:56 Pankaj Suryawanshi
2019-04-01 11:04 ` Pankaj Suryawanshi
2019-04-04 14:22   ` Pankaj Suryawanshi
2019-04-04 14:28     ` Shyam Saini [this message]
2019-04-04 14:36       ` [External] " Pankaj Suryawanshi
     [not found] <1733073807.13478305.1554105089959.ref@mail.yahoo.com>
2019-04-01  7:51 ` CMA area pages Information Pankaj Suryawanshi

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