linux-kernel - Re: [PATCH 3/5] mm: workingset: separate shadow unpacking and refault calculation

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Message-ID: <20160127143440.GC9623@esperanza>
Date:	Wed, 27 Jan 2016 17:34:41 +0300
From:	Vladimir Davydov <vdavydov@...tuozzo.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>, <linux-mm@...ck.org>,
	<cgroups@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<kernel-team@...com>
Subject: Re: [PATCH 3/5] mm: workingset: separate shadow unpacking and
 refault calculation

On Tue, Jan 26, 2016 at 04:00:04PM -0500, Johannes Weiner wrote:
> Per-cgroup thrash detection will need to derive a live memcg from the
> eviction cookie, and doing that inside unpack_shadow() will get nasty
> with the reference handling spread over two functions.
> 
> In preparation, make unpack_shadow() clearly about extracting static
> data, and let workingset_refault() do all the higher-level handling.
> 
> Signed-off-by: Johannes Weiner <hannes@...xchg.org>

Reviewed-by: Vladimir Davydov <vdavydov@...tuozzo.com>