linux-kernel - Re: [PATCH] mm,page_alloc: PF_WQ_WORKER threads must sleep at should_reclaim

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Message-ID: <20180731115504.GJ4557@dhcp22.suse.cz>
Date:   Tue, 31 Jul 2018 13:55:04 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Roman Gushchin <guro@...com>, Tejun Heo <tj@...nel.org>,
        Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        David Rientjes <rientjes@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm,page_alloc: PF_WQ_WORKER threads must sleep at
 should_reclaim_retry().

On Tue 31-07-18 20:30:08, Tetsuo Handa wrote:
> On 2018/07/31 20:15, Michal Hocko wrote:
> >>> I will send the patch to Andrew if the patch is ok. 
> >>
> >> Andrew, can we send the "we used to have a sleeping point in the oom path but this has
> >> been removed recently" patch to linux.git ?
> > 
> > This can really wait for the next merge window IMHO.
> > 
> 
> "mm, oom: cgroup-aware OOM killer" in linux-next.git is reviving that sleeping point.
> Current "mm, oom: cgroup-aware OOM killer" will not be sent to linux.git in the next
> merge window? I'm confused...

This has nothing to do with cgroup-aware OOM killer.

-- 
Michal Hocko
SUSE Labs