From: Andrew Morton <akpm@linux-foundation.org>
To: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
linux-mm@kvack.org
Subject: Re: [patch] mm, memcg: add anon_hugepage stat
Date: Thu, 25 Apr 2013 14:55:11 -0700 [thread overview]
Message-ID: <20130425145511.68b278d2731846a6502ecc36@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.2.02.1304251440190.27228@chino.kir.corp.google.com>
On Thu, 25 Apr 2013 14:41:17 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:
> This exports the amount of anonymous transparent hugepages for each memcg
> via memory.stat 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.
>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---
> include/linux/memcontrol.h | 3 ++-
> mm/huge_memory.c | 2 ++
> mm/memcontrol.c | 13 +++++++++----
> mm/rmap.c | 18 +++++++++++++++---
And Documentation/cgroups/memory.txt, please.
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
>
> ...
>
> + MEM_CGROUP_STAT_FILE_MAPPED, /* # of pages charged as file rss */
>
> ...
>
> "mapped_file",
That "FILE_MAPPED" is presented to the user as "mapped_file" makes me
want to chew my desk.
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next prev parent reply other threads:[~2013-04-25 21:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-25 21:41 [patch] mm, memcg: add anon_hugepage stat David Rientjes
2013-04-25 21:55 ` Andrew Morton [this message]
2013-04-25 23:07 ` David Rientjes
2013-04-26 11:17 ` Michal Hocko
2013-04-28 21:40 ` David Rientjes
2013-04-30 0:22 ` [patch] mm, memcg: add rss_huge stat to memory.stat David Rientjes
2013-04-30 17:36 ` Johannes Weiner
2013-05-02 14:17 ` [patch] mm, memcg: add anon_hugepage stat Michal Hocko
2013-05-02 16:01 ` David Rientjes
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