From: David Miller <davem@davemloft.net>
To: hannes@cmpxchg.org
Cc: akpm@linux-foundation.org, vdavydov@virtuozzo.com,
mhocko@suse.cz, tj@kernel.org, eric.dumazet@gmail.com,
netdev@vger.kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@fb.com
Subject: Re: [PATCH 10/13] mm: memcontrol: do not account memory+swap on unified hierarchy
Date: Wed, 25 Nov 2015 11:29:21 -0500 (EST) [thread overview]
Message-ID: <20151125.112921.1371682675467323296.davem@davemloft.net> (raw)
In-Reply-To: <1448401925-22501-11-git-send-email-hannes@cmpxchg.org>
From: Johannes Weiner <hannes@cmpxchg.org>
Date: Tue, 24 Nov 2015 16:52:02 -0500
> The unified hierarchy memory controller doesn't expose the memory+swap
> counter to userspace, but its accounting is hardcoded in all charge
> paths right now, including the per-cpu charge cache ("the stock").
>
> To avoid adding yet more pointless memory+swap accounting with the
> socket memory support in unified hierarchy, disable the counter
> altogether when in unified hierarchy mode.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Reviewed-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: David S. Miller <davem@davemloft.net>
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next prev parent reply other threads:[~2015-11-25 16:29 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-24 21:51 [PATCH 00/13] mm: memcontrol: account socket memory in unified hierarchy v4 Johannes Weiner
2015-11-24 21:51 ` [PATCH 01/13] mm: memcontrol: export root_mem_cgroup Johannes Weiner
2015-11-24 21:51 ` [PATCH 02/13] net: tcp_memcontrol: properly detect ancestor socket pressure Johannes Weiner
2015-11-24 21:51 ` [PATCH 03/13] net: tcp_memcontrol: remove bogus hierarchy pressure propagation Johannes Weiner
2015-11-24 21:51 ` [PATCH 04/13] net: tcp_memcontrol: protect all tcp_memcontrol calls by jump-label Johannes Weiner
2015-11-24 21:51 ` [PATCH 05/13] net: tcp_memcontrol: remove dead per-memcg count of allocated sockets Johannes Weiner
2015-11-24 21:51 ` [PATCH 06/13] net: tcp_memcontrol: simplify the per-memcg limit access Johannes Weiner
2015-11-25 16:26 ` David Miller
2015-11-24 21:51 ` [PATCH 07/13] net: tcp_memcontrol: sanitize tcp memory accounting callbacks Johannes Weiner
2015-11-25 16:28 ` David Miller
2015-11-24 21:52 ` [PATCH 08/13] net: tcp_memcontrol: simplify linkage between socket and page counter Johannes Weiner
2015-11-25 16:28 ` David Miller
2015-11-24 21:52 ` [PATCH 09/13] mm: memcontrol: generalize the socket accounting jump label Johannes Weiner
2015-11-25 16:29 ` David Miller
2015-11-30 21:08 ` Jason Baron
2015-11-30 21:50 ` Johannes Weiner
2015-11-30 22:28 ` Jason Baron
2015-11-30 22:46 ` Johannes Weiner
2015-11-24 21:52 ` [PATCH 10/13] mm: memcontrol: do not account memory+swap on unified hierarchy Johannes Weiner
2015-11-25 16:29 ` David Miller [this message]
2015-11-24 21:52 ` [PATCH 11/13] mm: memcontrol: move socket code for unified hierarchy accounting Johannes Weiner
2015-11-25 16:29 ` David Miller
2015-11-24 21:58 ` [PATCH 12/13] mm: memcontrol: account socket memory in unified hierarchy memory controller Johannes Weiner
2015-11-25 16:30 ` David Miller
2015-11-30 10:54 ` Vladimir Davydov
2015-11-30 15:26 ` Johannes Weiner
2015-11-30 17:08 ` Vladimir Davydov
2015-11-24 21:59 ` [PATCH 13/13] mm: memcontrol: hook up vmpressure to socket pressure Johannes Weiner
2015-11-25 16:30 ` David Miller
2015-11-30 11:36 ` Vladimir Davydov
2015-11-30 15:58 ` Johannes Weiner
2015-11-30 16:13 ` Vladimir Davydov
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