linux-kernel - Re: [patch] mm, memcg: add rss

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Message-ID: <20130430173607.GF1229@cmpxchg.org>
Date:	Tue, 30 Apr 2013 13:36:07 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch] mm, memcg: add rss_huge stat to memory.stat

On Mon, Apr 29, 2013 at 05:22:52PM -0700, David Rientjes wrote:
> This exports the amount of anonymous transparent hugepages for each memcg
> via the new "rss_huge" stat in memory.stat.  The units are in bytes.
> 
> This is helpful to determine the hugepage utilization for individual jobs
> on the system in comparison to rss and opportunities where MADV_HUGEPAGE
> may be helpful.
> 
> The amount of anonymous transparent hugepages is also included in "rss"
> for backwards compatibility.
> 
> Signed-off-by: David Rientjes <rientjes@...gle.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>
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