linux-kernel - Re: [PATCH v3] mm: slub: only warn once when allocating slab obj extensions fails

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Message-Id: <20250523171548.57624-1-sj@kernel.org>
Date: Fri, 23 May 2025 10:15:48 -0700
From: SeongJae Park <sj@...nel.org>
To: Usama Arif <usamaarif642@...il.com>
Cc: SeongJae Park <sj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	surenb@...gle.com,
	hannes@...xchg.org,
	shakeel.butt@...ux.dev,
	vlad.wing@...il.com,
	linux-mm@...ck.org,
	kent.overstreet@...ux.dev,
	cl@...two.org,
	rientjes@...gle.com,
	vbabka@...e.cz,
	roman.gushchin@...ux.dev,
	harry.yoo@...cle.com,
	linux-kernel@...r.kernel.org,
	kernel-team@...a.com
Subject: Re: [PATCH v3] mm: slub: only warn once when allocating slab obj extensions fails

On Fri, 23 May 2025 17:52:40 +0100 Usama Arif <usamaarif642@...il.com> wrote:

> In memory bound systems, a large number of warnings for failing this
> allocation repeatedly may mask any real issues in the system
> during memory pressure being reported in dmesg. Change this to
> warning only once.
> 
> Signed-off-by: Usama Arif <usamaarif642@...il.com>
> Reported-by: Vlad Poenaru <vlad.wing@...il.com>
> Closes: https://lore.kernel.org/all/17fab2d6-5a74-4573-bcc3-b75951508f0a@gmail.com/

Reviewed-by: SeongJae Park <sj@...nel.org>


Thanks,
SJ

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