linux-kernel - Re: Re: [PATCH 4/13] memcg: force

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Message-Id: <1222095363.16700.15.camel@lappy.programming.kicks-ass.net>
Date:	Mon, 22 Sep 2008 16:56:03 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	kamezawa.hiroyu@...fujitsu.com
Cc:	linux-mm@...ck.org, balbir@...ux.vnet.ibm.com,
	nishimura@....nes.nec.co.jp, xemul@...nvz.org,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: Re: [PATCH 4/13] memcg: force_empty moving account

On Mon, 2008-09-22 at 23:50 +0900, kamezawa.hiroyu@...fujitsu.com wrote:
> ----- Original Message -----
> >> +			spin_lock_irqsave(&mz->lru_lock, flags);
> >> +		} else {
> >> +			unlock_page(page);
> >> +			put_page(page);
> >> +		}
> >> +		if (atomic_read(&mem->css.cgroup->count) > 0)
> >> +			break;
> >>  	}
> >>  	spin_unlock_irqrestore(&mz->lru_lock, flags);
> >
> >do _NOT_ use yield() ever! unless you know what you're doing, and
> >probably not even then.
> >
> >NAK!
> Hmm, sorry. cond_resched() is ok ?

depends on what you want to do, please explain what you're trying to do.


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