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] mm/damon/core: allow esz to be set to zero
Date: Wed, 2 Sep 2026 07:13:48 -0700 [thread overview]
Message-ID: <20260902141349.86896-1-sj@kernel.org> (raw)
In-Reply-To: <20260902082050.19566-1-aethernet65535@gmail.com>
On Wed, 2 Sep 2026 16:20:50 +0800 Liew Rui Yan <aethernet65535@gmail.com> wrote:
> When the temporal quota goal tuner determines that the goal has been
> achieved (score >= 10000), it sets esz_bp to zero so that the effective
> quota (esz) becomes zero. However, damos_set_effective_quota() clamps
> the quota to min_region_sz, preventing the quota from ever reaching
> zero.
Where in the code it is clamped to min_region_sz, when? And what user issue
this can cause?
Thanks,
SJ
[...]
next prev parent reply other threads:[~2026-09-02 14:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 8:20 [PATCH v2] mm/damon/core: allow esz to be set to zero Liew Rui Yan
2026-09-02 8:30 ` sashiko-bot
2026-09-02 9:51 ` Liew Rui Yan
2026-09-02 14:13 ` SJ Park [this message]
2026-09-02 14:35 ` Liew Rui Yan
2026-09-02 15:03 ` SJ Park
2026-09-02 23:12 ` Liew Rui Yan
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