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From: SJ Park <sj@kernel.org>
To: Liew Rui Yan <aethernet65535@gmail.com>
Cc: SJ Park <sj@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	damon@lists.linux.dev, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v2.1] mm/damon/core: fix false positive in damos_quota_is_full() when esz is zero
Date: Wed,  2 Sep 2026 07:10:00 -0700	[thread overview]
Message-ID: <20260902141001.86733-1-sj@kernel.org> (raw)
In-Reply-To: <20260902084445.27170-1-aethernet65535@gmail.com>

On Wed,  2 Sep 2026 16:44:45 +0800 Liew Rui Yan <aethernet65535@gmail.com> wrote:

> When setting goal_tuner to 'temporal', if the goal is achieved,
> quota->esz_bp will be set to zero.  In this case, damos_quota_is_full()
> will always return true, even if no regions have been tried to apply at
> all.  This causes qt_exceeds to increase unexpectedly.

To me, this looks logically correct.  Could this cause any user issue?


Thanks,
SJ

[...]

  reply	other threads:[~2026-09-02 14:10 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-02  8:44 Liew Rui Yan
2026-09-02 14:10 ` SJ Park [this message]
2026-09-02 14:22   ` Liew Rui Yan
2026-09-02 14:48     ` SJ Park
2026-09-02 22:31       ` Liew Rui Yan
2026-09-03  0:33         ` SJ Park
2026-09-03 12:41           ` Liew Rui Yan
2026-09-03 14:05             ` SJ Park
2026-09-04  8:07               ` Liew Rui Yan
2026-09-04 14:05                 ` SJ Park
2026-09-04 15:35                   ` Liew Rui Yan
2026-09-05  0:25                     ` SJ Park
2026-09-05 10:36                       ` Liew Rui Yan
2026-09-05 16:12                         ` SJ Park

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