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From: Gioh Kim <gioh.kim@lge.com>
To: Stefan Strogin <s.strogin@partner.samsung.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Dmitry Safonov <d.safonov@partner.samsung.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Michal Nazarewicz <mina86@mina86.com>,
	aneesh.kumar@linux.vnet.ibm.com,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Pintu Kumar <pintu.k@samsung.com>,
	Weijie Yang <weijie.yang@samsung.com>,
	Laura Abbott <lauraa@codeaurora.org>,
	SeongJae Park <sj38.park@gmail.com>, Hui Zhu <zhuhui@xiaomi.com>,
	Minchan Kim <minchan@kernel.org>,
	Dyasly Sergey <s.dyasly@samsung.com>,
	Vyacheslav Tyrtov <v.tyrtov@samsung.com>,
	gregory.0xf0@gmail.com, sasha.levin@oracle.com, pavel@ucw.cz,
	stefan.strogin@gmail.com
Subject: Re: [PATCH 2/4] mm: cma: add functions to get region pages counters
Date: Sat, 14 Feb 2015 16:32:19 +0900	[thread overview]
Message-ID: <54DEFA03.6010308@lge.com> (raw)
In-Reply-To: <c6a3312c9eb667f0f5330c313f328bc49f7addd9.1423777850.git.s.strogin@partner.samsung.com>



2015-02-13 ?AAu 7:15?! Stefan Strogin AI(?!)  3/4 ' +-U:
> From: Dmitry Safonov <d.safonov@partner.samsung.com>
> 
> Here are two functions that provide interface to compute/get used size
> and size of biggest free chunk in cma region.

I usually just try to allocate memory, not check free size before try,
becuase free size can be changed after I check it.

Could you tell me why biggest free chunk size is necessary?

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  parent reply	other threads:[~2015-02-14  7:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-12 22:15 [PATCH 0/4] mm: cma: add some debug information for CMA Stefan Strogin
2015-02-12 22:15 ` [PATCH 1/4] mm: cma: add currently allocated CMA buffers list to debugfs Stefan Strogin
2015-02-13  3:10   ` Joonsoo Kim
2015-02-16 19:15     ` Stefan Strogin
2015-02-16 19:19     ` Stefan Strogin
2015-02-13  3:16   ` Joonsoo Kim
2015-02-18 10:06     ` Stefan Strogin
2015-02-13 14:18   ` SeongJae Park
2015-02-16 19:25     ` Stefan Strogin
2015-02-12 22:15 ` [PATCH 2/4] mm: cma: add functions to get region pages counters Stefan Strogin
2015-02-13  3:11   ` Joonsoo Kim
2015-02-14  7:32   ` Gioh Kim [this message]
2015-02-18 13:12     ` Safonov Dmitry
2015-02-12 22:15 ` [PATCH 3/4] mm: cma: add number of pages to debug message in cma_release() Stefan Strogin
2015-02-12 22:15 ` [PATCH 4/4] mm: cma: add trace events to debug physically-contiguous memory allocations Stefan Strogin
2015-02-13  3:03 ` [PATCH 0/4] mm: cma: add some debug information for CMA Joonsoo Kim
2015-02-14  7:40   ` Gioh Kim
2015-02-16 19:29     ` Stefan Strogin
2015-02-22 23:29       ` Gioh Kim
2015-02-16 18:53   ` Stefan Strogin

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