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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Baolin Wang <baolin.wang@linux.alibaba.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Dennis Zhou <dennis@kernel.org>, Tejun Heo <tj@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Martin Liu <liumartin@google.com>,
	David Rientjes <rientjes@google.com>,
	christian.koenig@amd.com, Shakeel Butt <shakeel.butt@linux.dev>,
	SeongJae Park <sj@kernel.org>, Michal Hocko <mhocko@suse.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Sweet Tea Dorminy <sweettea-kernel@dorminy.me>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	"Liam R . Howlett" <liam.howlett@oracle.com>,
	Mike Rapoport <rppt@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Christian Brauner <brauner@kernel.org>,
	Wei Yang <richard.weiyang@gmail.com>,
	David Hildenbrand <david@redhat.com>,
	Miaohe Lin <linmiaohe@huawei.com>,
	Al Viro <viro@zeniv.linux.org.uk>,
	linux-mm@kvack.org, stable@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, Yu Zhao <yuzhao@google.com>,
	Roman Gushchin <roman.gushchin@linux.dev>,
	Mateusz Guzik <mjguzik@gmail.com>,
	Matthew Wilcox <willy@infradead.org>,
	Aboorva Devarajan <aboorvad@linux.ibm.com>
Subject: Re: [PATCH v1 1/1] mm: Fix OOM killer and proc stats inaccuracy on large many-core systems
Date: Wed, 14 Jan 2026 09:57:03 -0500	[thread overview]
Message-ID: <11a68471-e856-41f7-b4d8-dff346bad1ce@efficios.com> (raw)
In-Reply-To: <b5621fc0-5fe0-4ba8-a6f1-84f09f54d186@linux.alibaba.com>

On 2026-01-13 22:18, Baolin Wang wrote:

> 
> I'm not against this patch. However, I’m concerned that it may affect 
> not only the rest of the proc files, but also fork(), which calls 
> get_mm_rss(). At least we should evaluate its impact on fork()?
> 
It's fixed in v2. I'm introducing get_mm_rss_sum() specifically for
the oom killer.

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com


      reply	other threads:[~2026-01-14 14:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-13 19:47 [PATCH v1 0/1] " Mathieu Desnoyers
2026-01-13 19:47 ` [PATCH v1 1/1] " Mathieu Desnoyers
2026-01-13 21:46   ` Andrew Morton
2026-01-13 22:16     ` Mathieu Desnoyers
2026-01-13 23:55       ` Andrew Morton
2026-01-14  1:22         ` Mathieu Desnoyers
2026-01-14  1:35           ` Andrew Morton
2026-01-14  8:18           ` Michal Hocko
2026-01-14  3:18   ` Baolin Wang
2026-01-14 14:57     ` Mathieu Desnoyers [this message]

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