From: Andrew Morton <akpm@linux-foundation.org>
To: Vasily Averin <vvs@virtuozzo.com>
Cc: Michal Hocko <mhocko@kernel.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Vladimir Davydov <vdavydov.dev@gmail.com>,
Shakeel Butt <shakeelb@google.com>,
Mel Gorman <mgorman@techsingularity.net>,
Roman Gushchin <guro@fb.com>, Uladzislau Rezki <urezki@gmail.com>,
Vlastimil Babka <vbabka@suse.cz>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, kernel@openvz.org
Subject: Re: [PATCH mm v5] memcg: enable memory accounting in __alloc_pages_bulk
Date: Fri, 15 Oct 2021 14:34:05 -0700 [thread overview]
Message-ID: <20211015143405.b7d54e4afa4ca7b2d57b6140@linux-foundation.org> (raw)
In-Reply-To: <65c1afaf-7947-ce28-55b7-06bde7aeb278@virtuozzo.com>
On Thu, 14 Oct 2021 11:02:57 +0300 Vasily Averin <vvs@virtuozzo.com> wrote:
> Bulk page allocator is used in vmalloc where it can be called
> with __GFP_ACCOUNT and must charge allocated pages into memory cgroup.
Is this problem serious enough to justify -stable backporting? Some
words which explaining reasoning for the backport would be helpful.
This patch makes Shakeel's "memcg: page_alloc: skip bulk allocator for
__GFP_ACCOUNT" unnecessary. Which should we use?
next prev parent reply other threads:[~2021-10-15 21:34 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-07 8:04 memcg memory accounting in vmalloc is broken Vasily Averin
2021-10-07 8:13 ` Michal Hocko
2021-10-07 8:16 ` Michal Hocko
2021-10-07 8:50 ` Vasily Averin
2021-10-07 10:08 ` Michal Hocko
2021-10-07 10:20 ` Mel Gorman
2021-10-07 14:02 ` Vlastimil Babka
2021-10-07 14:00 ` Vlastimil Babka
2021-10-07 14:09 ` Michal Hocko
2021-10-07 19:33 ` Vasily Averin
2021-10-08 9:23 ` [PATCH memcg] memcg: enable memory accounting in __alloc_pages_bulk Vasily Averin
2021-10-08 17:35 ` Shakeel Butt
2021-10-12 10:18 ` [PATCH mm v2] " Vasily Averin
2021-10-12 13:10 ` Mel Gorman
2021-10-12 13:40 ` Vasily Averin
2021-10-12 14:58 ` [PATCH mm v3] " Vasily Averin
2021-10-12 15:19 ` Shakeel Butt
2021-10-12 15:20 ` Mel Gorman
2021-10-12 15:36 ` Michal Hocko
2021-10-12 16:08 ` Shakeel Butt
2021-10-12 18:24 ` Michal Hocko
2021-10-13 16:41 ` Shakeel Butt
2021-10-13 17:16 ` Michal Hocko
2021-10-13 17:30 ` Shakeel Butt
2021-10-12 18:45 ` Vasily Averin
2021-10-14 8:02 ` [PATCH mm v5] " Vasily Averin
2021-10-15 21:34 ` Andrew Morton [this message]
2021-10-16 6:04 ` Vasily Averin
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