From: Michal Hocko <mhocko@suse.cz>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hillf Danton <dhillf@gmail.com>, Hugh Dickins <hughd@google.com>,
Balbir Singh <bsingharora@gmail.com>,
David Rientjes <rientjes@google.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] memcg: clean up soft_limit_tree properly new
Date: Tue, 13 Dec 2011 15:19:57 +0100 [thread overview]
Message-ID: <20111213141957.GC30440@tiehlicka.suse.cz> (raw)
In-Reply-To: <20111213140844.GB1818@cmpxchg.org>
On Tue 13-12-11 15:08:44, Johannes Weiner wrote:
> On Mon, Dec 12, 2011 at 03:09:35PM +0100, Michal Hocko wrote:
> > And a follow up patch for the proper clean up:
> > ---
> > >From 4b9f5a1e88496af9f336d1ef37cfdf3754a3ba48 Mon Sep 17 00:00:00 2001
> > From: Michal Hocko <mhocko@suse.cz>
> > Date: Mon, 12 Dec 2011 15:04:18 +0100
> > Subject: [PATCH] memcg: clean up soft_limit_tree properly
> >
> > If we are not able to allocate tree nodes for all NUMA nodes then we
> > should better clean up those that were allocated otherwise we will leak
> > a memory.
> >
> > Signed-off-by: Michal Hocko <mhocko@suse.cz>
>
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Thanks
>
> That being said, I think it's unlikely that the machine even boots
> properly if those allocations fail. But the code looks better this
> way and one doesn't have to double take, wondering if anyone else is
> taking care of the already allocated objects.
Yes, that was the point of the patch - just a cleanup. I do not think we
want to push it into stable...
--
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
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next prev parent reply other threads:[~2011-12-13 14:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-11 1:19 [PATCH] mm: memcg: keep root group unchanged if fail to create new Hillf Danton
2011-12-11 23:39 ` Hugh Dickins
2011-12-12 12:48 ` Hillf Danton
2011-12-12 13:11 ` Michal Hocko
2011-12-12 13:49 ` Hillf Danton
2011-12-12 14:07 ` Michal Hocko
2011-12-12 14:09 ` [PATCH] memcg: clean up soft_limit_tree properly new Michal Hocko
2011-12-13 14:08 ` Johannes Weiner
2011-12-13 14:19 ` Michal Hocko [this message]
2011-12-14 1:00 ` Andrew Morton
2011-12-14 1:16 ` KAMEZAWA Hiroyuki
2011-12-13 14:05 ` [PATCH] mm: memcg: keep root group unchanged if fail to create new Johannes Weiner
2011-12-12 0:52 ` KAMEZAWA Hiroyuki
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