From: sashiko-bot@kernel.org
To: "Aveline Noir" <jm5905938@gmail.com>
Cc: damon@lists.linux.dev
Subject: Re: [PATCH] mm/damon: align MMU notifier range when clearing PMD young bit
Date: Thu, 22 Oct 2026 15:09:29 +0000 [thread overview]
Message-ID: <sashiko-outbox-181671@kernel.org> (raw)
In-Reply-To: <179267916870.2.5637290691657871645.damon-pmd-align-draft@gmail.com>
> damon_pmdp_mkold() clears the young bit of a PMD but notifies
> [addr, addr + HPAGE_PMD_SIZE), where addr can be an unaligned sampling
> address. This can miss part of the sampled huge page and age secondary
> mappings in the next one.
>
> Align addr to HPAGE_PMD_MASK so both operations cover the same huge page.
>
> Fixes: 3f49584b262c ("mm/damon: implement primitives for the virtual memory address spaces")
> Link: https://lore.kernel.org/r/20261021-damon-align-pte-young-notifier-v1-1-d0365ac45b66@gentwo.org/
> Signed-off-by: Aveline Noir <jm5905938@gmail.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/179267916870.2.5637290691657871645.damon-pmd-align-draft@gmail.com?part=1
next prev parent reply other threads:[~2026-10-22 15:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 14:26 [PATCH] mm/damon: align MMU notifier range when clearing PMD young bit Aveline Noir
2026-10-22 15:09 ` sashiko-bot [this message]
2026-10-23 0:20 ` SJ Park
2026-10-23 5:01 ` Aveline Noir
2026-10-24 1:25 ` SJ Park
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