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From: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, David Rientjes <rientjes@google.com>,
	Greg Thelen <gthelen@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH] mm: oom: Remove thread group leader check in oom_evaluate_task().
Date: Tue, 18 Jun 2019 22:23:38 +0900	[thread overview]
Message-ID: <f2960ffa-124f-b66d-3bfe-cc9302d43797@i-love.sakura.ne.jp> (raw)
In-Reply-To: <20190618121418.GC3318@dhcp22.suse.cz>

On 2019/06/18 21:14, Michal Hocko wrote:
> On Tue 18-06-19 19:20:57, Tetsuo Handa wrote:
>> Since mem_cgroup_scan_tasks() uses CSS_TASK_ITER_PROCS, only thread group
>> leaders will be scanned (unless dying leaders with live threads). Thus,
>> commit d49ad9355420c743 ("mm, oom: prefer thread group leaders for display
>> purposes") makes little sense.
> 
> This can be folded into mm-memcontrol-use-css_task_iter_procs-at-mem_cgroup_scan_tasks.patch
> right?

Yes, if we want to do so.


      reply	other threads:[~2019-06-18 14:17 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-18 10:20 Tetsuo Handa
2019-06-18 12:14 ` Michal Hocko
2019-06-18 13:23   ` Tetsuo Handa [this message]

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