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From: sashiko-bot@kernel.org
To: "SJ Park" <sj@kernel.org>
Cc: damon@lists.linux.dev
Subject: Re: [PATCH 2/3] Revert "mm/damon/lru_sort: error out for >10000 active_mem_bp"
Date: Thu, 03 Sep 2026 01:15:03 +0000	[thread overview]
Message-ID: <20260903011503.7E78E1F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260903010722.94244-3-sj@kernel.org>

> This reverts commit 06befa61c427e74319781e6f35a364cfc32dbae8.
> 
> The commit was made to avoid zero damos quota goal target value, because
> it can trigger division-by-zero.  Now the core layer handles the corner
> case.  It returns an error for any attempt setting the aero
> target_value.  The corner case handling in DAMON_LRU_SORT is hence no
> more needed.  Remove it.
> 
> Note that this slightly changes the user behavior.  It still disallows
> active_mem_bp of 10,002.  But now it allows other >10,000 active_mem_bp
> values. Setting >10,000 active_mem_bp makes not much sense.  But it
> doesn't cause critical problems such as memory leak or crash, either.
> Arguably that doesn't deserve additional code complexity.  Just allow
> it.
> 
> Signed-off-by: SJ Park <sj@kernel.org>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260903010722.94244-1-sj@kernel.org?part=2


  reply	other threads:[~2026-09-03  1:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03  1:07 [PATCH 0/3] mm/damon: move zero damos quota target_value handling to the core layer SJ Park
2026-09-03  1:07 ` [PATCH 1/3] mm/damon/core: error damos_commit_quota_goal() for zero target_value SJ Park
2026-09-03  1:16   ` sashiko-bot
2026-09-03  1:07 ` [PATCH 2/3] Revert "mm/damon/lru_sort: error out for >10000 active_mem_bp" SJ Park
2026-09-03  1:15   ` sashiko-bot [this message]
2026-09-03  1:07 ` [PATCH 3/3] Revert "samples/damon/mtier: error out for zero quota goal target values" SJ Park
2026-09-03  1:15   ` sashiko-bot

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