linux-kernel - Re: [PATCH stable-4.4 1/3] mm: memcontrol: fix cgroup creation failure after many small jobs

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Message-ID: <20160815152955.GH3360@dhcp22.suse.cz>
Date:	Mon, 15 Aug 2016 17:29:55 +0200
From:	Michal Hocko <mhocko@...nel.org>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	Stable tree <stable@...r.kernel.org>,
	Vladimir Davydov <vdavydov@...allels.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>,
	Nikolay Borisov <kernel@...p.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH stable-4.4 1/3] mm: memcontrol: fix cgroup creation
 failure after many small jobs

On Mon 15-08-16 11:16:04, Johannes Weiner wrote:
> On Mon, Aug 15, 2016 at 05:06:44PM +0200, Michal Hocko wrote:
> > @@ -4173,11 +4213,17 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
> >  
> >  	memcg->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
> >  	if (!memcg->stat)
> > -		goto out_free;
> > +		goto out_idr;
> 
> Spurious left-over from the previous version?

Yes, b0rked during the rebase. I will repost this patch.

Sorry about that and thanks for catching that!

-- 
Michal Hocko
SUSE Labs