From: Nhat Pham <nphamcs@gmail.com>
To: Youngjun Park <youngjun.park@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Kemeng Shi <shikemeng@huaweicloud.com>,
Kairui Song <kasong@tencent.com>, Baoquan He <bhe@redhat.com>,
Barry Song <baohua@kernel.org>, Chris Li <chrisl@kernel.org>,
stable@vger.kernel.org
Subject: Re: [PATCH v2 1/1] mm: swap: remove duplicate nr_swap_pages decrement in get_swap_page_of_type()
Date: Tue, 4 Nov 2025 08:20:55 -0800 [thread overview]
Message-ID: <CAKEwX=Pe1NpQKneE0q62orCteu8=V7L9Xp8uDd5T6c-e2vpd6w@mail.gmail.com> (raw)
In-Reply-To: <20251102082456.79807-1-youngjun.park@lge.com>
On Sun, Nov 2, 2025 at 1:25 AM Youngjun Park <youngjun.park@lge.com> wrote:
>
> After commit 4f78252da887, nr_swap_pages is decremented in
> swap_range_alloc(). Since cluster_alloc_swap_entry() calls
> swap_range_alloc() internally, the decrement in get_swap_page_of_type()
> causes double-decrementing.
>
> Remove the duplicate decrement.
>
> Fixes: 4f78252da887 ("mm: swap: move nr_swap_pages counter decrement from folio_alloc_swap() to swap_range_alloc()")
> Cc: stable@vger.kernel.org # v6.17-rc1
> Signed-off-by: Youngjun Park <youngjun.park@lge.com>
> Acked-by: Chris Li <chrisl@kernel.org>
> Reviewed-by: Barry Song <baohua@kernel.org>
Acked-by: Nhat Pham <nphamcs@gmail.com>
prev parent reply other threads:[~2025-11-04 16:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-02 8:24 Youngjun Park
2025-11-02 16:58 ` Kairui Song
2025-11-04 2:56 ` Andrew Morton
2025-11-04 14:46 ` YoungJun Park
2025-11-04 22:24 ` Andrew Morton
2025-11-04 16:20 ` Nhat Pham [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='CAKEwX=Pe1NpQKneE0q62orCteu8=V7L9Xp8uDd5T6c-e2vpd6w@mail.gmail.com' \
--to=nphamcs@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=baohua@kernel.org \
--cc=bhe@redhat.com \
--cc=chrisl@kernel.org \
--cc=kasong@tencent.com \
--cc=linux-mm@kvack.org \
--cc=shikemeng@huaweicloud.com \
--cc=stable@vger.kernel.org \
--cc=youngjun.park@lge.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox