linux-kernel - Re: [RFC][PATCH 4/8] memcg soft limit priority array queue.

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Date:	Tue, 31 Mar 2009 08:58:27 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	balbir@...ux.vnet.ibm.com
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>
Subject: Re: [RFC][PATCH 4/8] memcg soft limit priority array queue.

On Sun, 29 Mar 2009 22:26:20 +0530
Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:

> * KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> [2009-03-27 14:06:53]:
> 
> > I'm now search a way to reduce lock contention without complex...
> > -Kame
> > ==
> > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> > 
> > +static void __mem_cgroup_requeue(struct mem_cgroup *mem)
> > +{
> > +	/* enqueue to softlimit queue */
> > +	int prio = mem->soft_limit_priority;
> > +
> > +	spin_lock(&softlimitq.lock);
> > +	list_del_init(&mem->soft_limit_anon);
> > +	list_add_tail(&mem->soft_limit_anon, &softlimitq.queue[prio][SL_ANON]);
> > +	list_del_init(&mem->soft_limit_file,ist[SL_FILE]);
> 
> Patch fails to build here, what is ist?
> 
Hm...my patech is broken ?
&softlimitq.queue[prio][SL_FILE]

-Kame.

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