From: Vlastimil Babka <vbabka@suse.cz>
To: Shakeel Butt <shakeel.butt@linux.dev>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Muchun Song <muchun.song@linux.dev>,
David Rientjes <rientjes@google.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org,
linux-kernel@vger.kernel.org,
Meta kernel team <kernel-team@meta.com>
Subject: Re: [PATCH] mm: memcg: dump memcg protection info on oom or alloc failures
Date: Mon, 10 Nov 2025 09:57:40 +0100 [thread overview]
Message-ID: <ba25b398-b63e-4bd2-b613-ee1f783524e4@suse.cz> (raw)
In-Reply-To: <20251107234041.3632644-1-shakeel.butt@linux.dev>
On 11/8/25 00:40, Shakeel Butt wrote:
> Currently kernel dumps memory state on oom and allocation failures. One
> of the question usually raised on those dumps is why the kernel has not
> reclaimed the reclaimable memory instead of triggering oom. One
> potential reason is the usage of memory protection provided by memcg.
> So, let's also dump the memory protected by the memcg in such reports to
> ease the debugging.
>
> Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
prev parent reply other threads:[~2025-11-10 8:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-07 23:40 Shakeel Butt
2025-11-08 2:26 ` SeongJae Park
2025-11-08 5:45 ` Shakeel Butt
2025-11-10 8:48 ` Michal Hocko
2025-11-10 8:57 ` Vlastimil Babka [this message]
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