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

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Message-ID: <20090329165620.GB15608@balbir.in.ibm.com>
Date:	Sun, 29 Mar 2009 22:26:20 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.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.

* 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?

> +	list_add_tail(&mem->soft_limit_file, &softlimitq.queue[prio][SL_FILE]);
> +	spin_unlock(&softlimitq.lock);
> +}
> 

-- 
	Balbir
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