From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,zenghui.yu@linux.dev,wangxuewen@kylinos.cn,sj@kernel.org,aethernet65535@gmail.com,adrianhuang0701@gmail.com,karthiproffesional@gmail.com,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-damon-document-that-a-zero-sample_interval-is-accepted.patch removed from -mm tree
Date: Mon, 12 Oct 2026 21:34:09 -0700 [thread overview]
Message-ID: <20261013043410.14EF21F00898@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm/damon: document that a zero sample_interval is accepted
has been removed from the -mm tree. Its filename was
mm-damon-document-that-a-zero-sample_interval-is-accepted.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Karthikeyan KS <karthiproffesional@gmail.com>
Subject: mm/damon: document that a zero sample_interval is accepted
Date: Mon, 21 Sep 2026 08:15:46 -0700
damon_set_attrs() accepts sample_interval == 0. This was reported as a
bug in v1 of this patch (rejecting it in damon_set_attrs()). A similar
patch was already declined for the same reason: a zero interval is
intentionally supported [1].
Document the behavior instead of changing it.
Link: https://lore.kernel.org/20260921151547.78472-5-sj@kernel.org
Link: https://lore.kernel.org/all/20260722094304.3132750-1-dayou5941@163.com/ [1]
Signed-off-by: Karthikeyan KS <karthiproffesional@gmail.com>
Signed-off-by: SJ Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: SJ Park <sj@kernel.org>
Cc: Adrian Huang <adrianhuang0701@gmail.com>
Cc: Liew Rui Yan <aethernet65535@gmail.com>
Cc: Xuewen Wang <wangxuewen@kylinos.cn>
Cc: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>
---
include/linux/damon.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/include/linux/damon.h~mm-damon-document-that-a-zero-sample_interval-is-accepted
+++ a/include/linux/damon.h
@@ -836,7 +836,8 @@ struct damon_probe {
/**
* struct damon_attrs - Monitoring attributes for accuracy/overhead control.
*
- * @sample_interval: The time between access samplings.
+ * @sample_interval: The time between access samplings. Zero is
+ * accepted.
* @aggr_interval: The time between monitor results aggregations.
* @ops_update_interval: The time between monitoring operations updates.
* @intervals_goal: Intervals auto-tuning goal.
_
Patches currently in -mm which might be from karthiproffesional@gmail.com are
reply other threads:[~2026-10-13 4:34 UTC|newest]
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