From: Catalin Marinas <catalin.marinas@arm.com>
To: Patrick Wang <patrick.wang.shcn@gmail.com>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, yee.lee@mediatek.com
Subject: Re: [PATCH v2 1/4] mm: kmemleak: add OBJECT_PHYS flag for objects allocated with physical address
Date: Thu, 9 Jun 2022 10:54:11 +0100 [thread overview]
Message-ID: <YqHDQ2MOJ1RG9LLA@arm.com> (raw)
In-Reply-To: <8fc24ba3-1467-b845-a70e-7ed77750e6cd@gmail.com>
On Tue, Jun 07, 2022 at 10:32:26PM +0800, Patrick Wang wrote:
> The leak check could be taken on physical objects. Conversion
> of block address from virtual to physical before lookup should
> make this work (this is useless currently). I think we'd better
> know about this.
Yes, we could add this, but since all the phys objects are currently
'gray', it won't make any difference, other than an extra lookup in the
phys tree.
--
Catalin
next prev parent reply other threads:[~2022-06-09 9:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-03 3:54 [PATCH v2 0/4] mm: kmemleak: store objects allocated with physical address separately and check when scan Patrick Wang
2022-06-03 3:54 ` [PATCH v2 1/4] mm: kmemleak: add OBJECT_PHYS flag for objects allocated with physical address Patrick Wang
2022-06-06 11:55 ` Catalin Marinas
2022-06-07 14:32 ` Patrick Wang
2022-06-09 9:54 ` Catalin Marinas [this message]
2022-06-03 3:54 ` [PATCH v2 2/4] mm: kmemleak: add rbtree " Patrick Wang
2022-06-06 14:38 ` Catalin Marinas
2022-06-07 14:34 ` Patrick Wang
2022-06-03 3:54 ` [PATCH v2 3/4] mm: kmemleak: handle address stored in object based on its type Patrick Wang
2022-06-06 15:01 ` Catalin Marinas
2022-06-07 14:36 ` Patrick Wang
2022-06-03 3:54 ` [PATCH v2 4/4] mm: kmemleak: kmemleak_*_phys() set address type and check PA when scan Patrick Wang
2022-06-06 15:29 ` Catalin Marinas
2022-06-07 14:37 ` Patrick Wang
2022-06-03 11:01 ` [PATCH v2 0/4] mm: kmemleak: store objects allocated with physical address separately and check " Catalin Marinas
2022-06-04 3:01 ` patrick wang
2022-06-08 2:46 ` Kuan-Ying Lee
2022-06-08 23:44 ` patrick wang
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