Messages in this thread | | | Date | Sun, 06 Dec 2009 14:41:54 -0500 | From | Rik van Riel <> | Subject | Re: [PATCH 3/7] VM_LOCKED check don't need pte lock |
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On 12/04/2009 03:42 AM, KOSAKI Motohiro wrote: > From 24f910b1ac966c21ea5aab825d1f26815b760304 Mon Sep 17 00:00:00 2001 > From: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com> > Date: Thu, 3 Dec 2009 16:06:47 +0900 > Subject: [PATCH 3/7] VM_LOCKED check don't need pte lock > > Currently, page_referenced_one() check VM_LOCKED after taking ptelock. > But it's unnecessary. We can check VM_LOCKED before to take lock. > > This patch does it.
Nice optimization.
> Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
-- All rights reversed.
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