All of lore.kernel.org
 help / color / mirror / Atom feed
From: Catalin Marinas <catalin.marinas@arm.com>
To: Guo Weikang <guoweikang.kernel@gmail.com>
Cc: Mike Rapoport <rppt@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] mm/memmap: Prevent double scanning of memmap by kmemleak
Date: Mon, 6 Jan 2025 09:46:49 +0000	[thread overview]
Message-ID: <Z3umiX8dSge66tLj@arm.com> (raw)
In-Reply-To: <20250106021126.1678334-1-guoweikang.kernel@gmail.com>

On Mon, Jan 06, 2025 at 10:11:25AM +0800, Guo Weikang wrote:
> kmemleak explicitly scans the mem_map through the valid struct page objects.
> However, memmap_alloc() was also adding this memory to the gray object list,
> causing it to be scanned twice. Removes memmap_alloc() from the
> scan list and adds a comment to clarify the behavior.
> 
> Link: https://lore.kernel.org/lkml/CAOm6qn=FVeTpH54wGDFMHuCOeYtvoTx30ktnv9-w3Nh8RMofEA@mail.gmail.com/
> 
> Signed-off-by: Guo Weikang <guoweikang.kernel@gmail.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>


      reply	other threads:[~2025-01-06  9:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-06  2:11 [PATCH v3] mm/memmap: Prevent double scanning of memmap by kmemleak Guo Weikang
2025-01-06  9:46 ` Catalin Marinas [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Z3umiX8dSge66tLj@arm.com \
    --to=catalin.marinas@arm.com \
    --cc=akpm@linux-foundation.org \
    --cc=guoweikang.kernel@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=rppt@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.