From: Oleg Nesterov <oleg@redhat.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Peter Chiang <pchiang@nvidia.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Balbir Singh <bsingharora@gmail.com>,
Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>
Cc: "ccross@android.com" <ccross@android.com>,
"lizefan@huawei.com" <lizefan@huawei.com>,
"tj@kernel.org" <tj@kernel.org>, "pavel@ucw.cz" <pavel@ucw.cz>,
"ebiederm@xmission.com" <ebiederm@xmission.com>,
"guillaume@morinfr.org" <guillaume@morinfr.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH 0/2] memcg: mm_update_next_owner() should skip kthreads
Date: Fri, 18 Apr 2014 19:26:31 +0200 [thread overview]
Message-ID: <20140418172631.GA13323@redhat.com> (raw)
In-Reply-To: <20140418162359.GA4398@redhat.com>
On 04/18, Oleg Nesterov wrote:
>
> Hmm. I seem to see a bug in this function, it can be fulled by use_mm,
> but I am not sure this can explain the problem. I'll send a patch.
Untested, please review. But it really looks "obviously wrong", and note
that unuse_mm() doesn't do mm_update_next_owner(). (just in case, do not
confuse it with unuse_mm() in mm/swapfile.c).
Oleg.
next prev parent reply other threads:[~2014-04-18 17:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-16 3:02 [PATCH] mm : Avoid candidate task is equal to current task Peter Chiang
2014-04-16 12:31 ` Peter Chiang
2014-04-16 12:52 ` Peter Chiang
2014-04-16 13:57 ` Oleg Nesterov
2014-04-17 6:48 ` Peter Chiang
2014-04-18 16:23 ` Oleg Nesterov
2014-04-18 17:26 ` Oleg Nesterov [this message]
2014-04-18 17:26 ` [PATCH 1/2] memcg: mm_update_next_owner() should skip kthreads Oleg Nesterov
2014-04-18 17:27 ` [PATCH 2/2] memcg: optimize the "Search everything else" loop in mm_update_next_owner() Oleg Nesterov
2014-04-18 18:24 ` [PATCH 0/2] memcg: mm_update_next_owner() should skip kthreads Michal Hocko
2014-04-18 18:44 ` Oleg Nesterov
2014-04-18 19:12 ` [PATCH 0/1] memcg: kill start_kernel()->mm_init_owner(init_mm) Oleg Nesterov
2014-04-18 19:13 ` [PATCH 1/1] " Oleg Nesterov
2014-04-22 13:34 ` Michal Hocko
2014-04-22 13:23 ` [PATCH 0/1] " Michal Hocko
2014-04-22 16:15 ` [PATCH 0/1] memcg: kill CONFIG_MM_OWNER Oleg Nesterov
2014-04-22 16:15 ` [PATCH 1/1] " Oleg Nesterov
2014-04-22 16:39 ` Johannes Weiner
2014-04-22 16:59 ` [PATCH 0/1] " Michal Hocko
2014-04-22 10:52 ` [PATCH 0/2] memcg: mm_update_next_owner() should skip kthreads Michal Hocko
2014-04-22 13:21 ` Michal Hocko
2014-04-22 21:35 ` Hugh Dickins
2014-04-23 7:04 ` Michal Hocko
2014-04-19 8:34 ` Pavel Machek
2014-04-19 18:14 ` Oleg Nesterov
2014-04-19 21:23 ` Hugh Dickins
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