Re: [PATCH 10/13] mm: memcontrol: do not account memory+swap on unified hierarchy

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH 10/13] mm: memcontrol: do not account memory+swap on unified hierarchy
Date	2015-11-25 17:30 +0100
Message-ID	<qyL7b-gt-13@gated-at.bofh.it> (permalink)
References	<qytMZ-5hB-3@gated-at.bofh.it> <qytMZ-5hB-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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[PATCH 10/13] mm: memcontrol: do not account memory+swap on unified hierarchy Johannes Weiner <hannes@cmpxchg.org> - 2015-11-24 23:00 +0100
  Re: [PATCH 10/13] mm: memcontrol: do not account memory+swap on  unified hierarchy David Miller <davem@davemloft.net> - 2015-11-25 17:30 +0100

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