From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id 318A3900086 for ; Fri, 15 Apr 2011 09:23:24 -0400 (EDT) Message-ID: <4DA846BF.7020504@redhat.com> Date: Fri, 15 Apr 2011 09:23:11 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH] mm: Check if PTE is already allocated during page fault References: <20110415101248.GB22688@suse.de> In-Reply-To: <20110415101248.GB22688@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: akpm@linux-foundation.org, Andrea Arcangeli , raz ben yehuda , kosaki.motohiro@jp.fujitsu.com, lkml , linux-mm@kvack.org, stable@kernel.org On 04/15/2011 06:12 AM, Mel Gorman wrote: > This patch simply re-adds the check normally done by pte_alloc_map to > check if the PTE needs to be allocated before taking the page table > lock. The effect is noticable in page_test from aim9. > Reported-by: Raz Ben Yehuda > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org