linux-kernel - Re: [PATCH 10/10] memcg: check memcg dirty limits in page writeback

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Message-Id: <20101005162958.07de9781.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 5 Oct 2010 16:29:58 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Greg Thelen <gthelen@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	containers@...ts.osdl.org, Andrea Righi <arighi@...eler.com>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Daisuke Nishimura <nishimura@....nes.nec.co.jp>
Subject: Re: [PATCH 10/10] memcg: check memcg dirty limits in page writeback

On Sun,  3 Oct 2010 23:58:05 -0700
Greg Thelen <gthelen@...gle.com> wrote:

> If the current process is in a non-root memcg, then
> global_dirty_limits() will consider the memcg dirty limit.
> This allows different cgroups to have distinct dirty limits
> which trigger direct and background writeback at different
> levels.
> 
> Signed-off-by: Andrea Righi <arighi@...eler.com>
> Signed-off-by: Greg Thelen <gthelen@...gle.com>

This patch seems good because of straightforward implementation.
I think worth to be tested in -mm tree.

Thank you very much.

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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