linux-kernel - Re: [PATCH] mm: vmscan: deactivate isolated pages with lru lock released

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Message-ID: <4F0DFF1C.9060801@redhat.com>
Date:	Wed, 11 Jan 2012 16:29:00 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Hillf Danton <dhillf@...il.com>
CC:	linux-mm@...ck.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mm: vmscan: deactivate isolated pages with lru lock released

On 01/11/2012 07:45 AM, Hillf Danton wrote:
> Spinners on other CPUs, if any, could take the lru lock and do their jobs while
> isolated pages are deactivated on the current CPU if the lock is released
> actively. And no risk of race raised as pages are already queued on locally
> private list.
>
>
> Signed-off-by: Hillf Danton<dhillf@...il.com>

Reviewed-by: Rik van Riel<riel@...hat.com>

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