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From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: Greg Thelen <gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>
Subject: Re: [PATCH v2] memcg: execute partial memcg freeing in mem_cgroup_destroy
Date: Fri, 17 Aug 2012 10:36:05 +0400	[thread overview]
Message-ID: <502DE655.3010305@parallels.com> (raw)
In-Reply-To: <xr93a9xu9g7z.fsf-aSPv4SP+Du0KgorLzL7FmE7CuiCeIGUxQQ4Iyu8u01E@public.gmane.org>

On 08/17/2012 10:37 AM, Greg Thelen wrote:
> I am by no means a swap expert, so I may be heading in the weeds.  But I
> think that a swapped out page is not necessarily in any memcg lru.  So
> the mem_cgroup_pre_destroy() call to mem_cgroup_force_empty() will not
> necessarily see swapped out pages.
> 
> I think this demonstrates the problem.
hummm, hummm... all right.

I'll take a look at that today

Thanks Greg

WARNING: multiple messages have this Message-ID (diff)
From: Glauber Costa <glommer@parallels.com>
To: Greg Thelen <gthelen@google.com>
Cc: linux-mm@kvack.org, cgroups@vger.kernel.org,
	kamezawa.hiroyu@jp.fujitsu.com,
	Andrew Morton <akpm@linux-foundation.org>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.cz>
Subject: Re: [PATCH v2] memcg: execute partial memcg freeing in mem_cgroup_destroy
Date: Fri, 17 Aug 2012 10:36:05 +0400	[thread overview]
Message-ID: <502DE655.3010305@parallels.com> (raw)
In-Reply-To: <xr93a9xu9g7z.fsf@gthelen.mtv.corp.google.com>

On 08/17/2012 10:37 AM, Greg Thelen wrote:
> I am by no means a swap expert, so I may be heading in the weeds.  But I
> think that a swapped out page is not necessarily in any memcg lru.  So
> the mem_cgroup_pre_destroy() call to mem_cgroup_force_empty() will not
> necessarily see swapped out pages.
> 
> I think this demonstrates the problem.
hummm, hummm... all right.

I'll take a look at that today

Thanks Greg

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  parent reply	other threads:[~2012-08-17  6:36 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-16 11:01 [PATCH v2] memcg: execute partial memcg freeing in mem_cgroup_destroy Glauber Costa
     [not found] ` <1345114903-20627-1-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-08-17  4:51   ` Greg Thelen
2012-08-17  4:51     ` Greg Thelen
     [not found]     ` <xr93vcgiazok.fsf-aSPv4SP+Du0KgorLzL7FmE7CuiCeIGUxQQ4Iyu8u01E@public.gmane.org>
2012-08-17  4:51       ` Glauber Costa
2012-08-17  4:51         ` Glauber Costa
2012-08-17  6:37         ` Greg Thelen
     [not found]           ` <xr93a9xu9g7z.fsf-aSPv4SP+Du0KgorLzL7FmE7CuiCeIGUxQQ4Iyu8u01E@public.gmane.org>
2012-08-17  6:36             ` Glauber Costa [this message]
2012-08-17  6:36               ` Glauber Costa
2012-08-21 13:34           ` Glauber Costa

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