From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with SMTP id 0AD7A6B004A for ; Fri, 3 Sep 2010 21:23:57 -0400 (EDT) Message-ID: <4C816760.4010807@redhat.com> Date: Fri, 03 Sep 2010 17:23:44 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH] vmscan: prevent background aging of anon page in no swap system References: <1283096628-4450-1-git-send-email-minchan.kim@gmail.com> <20100903140649.09dee316.akpm@linux-foundation.org> In-Reply-To: <20100903140649.09dee316.akpm@linux-foundation.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Andrew Morton Cc: Minchan Kim , linux-mm , LKML , Venkatesh Pallipadi , Ying Han , KOSAKI Motohiro , Johannes Weiner List-ID: On 09/03/2010 05:06 PM, Andrew Morton wrote: > We don't have any quantitative data on the effect of these excess tlb > flushes, which makes it difficult to decide which kernel versions > should receive this patch. > > Help? I assume it is a relatively small performance optimization, as well as a nice code cleanup ... so probably no real hurry to get it upstream (next time you send Linus mm patches?), and no real reason to have it backported to a -stable kernel either. -- 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/ . Don't email: email@kvack.org