linux-kernel - Re: [PATCH] memcg: remove pcp_counter

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Message-ID: <20150924194348.GA3009@cmpxchg.org>
Date:	Thu, 24 Sep 2015 15:43:48 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Greg Thelen <gthelen@...gle.com>
Cc:	Michal Hocko <mhocko@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vladimir Davydov <vdavydov@...allels.com>,
	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] memcg: remove pcp_counter_lock

On Tue, Sep 22, 2015 at 07:41:46PM -0700, Greg Thelen wrote:
> Commit 733a572e66d2 ("memcg: make mem_cgroup_read_{stat|event}() iterate
> possible cpus instead of online") removed the last use of the per memcg
> pcp_counter_lock but forgot to remove the variable.
> 
> Kill the vestigial variable.
> 
> Signed-off-by: Greg Thelen <gthelen@...gle.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>
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