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 ESMTP id 923286B0011 for ; Mon, 9 May 2011 20:05:22 -0400 (EDT) Date: Tue, 10 May 2011 02:05:17 +0200 From: Andi Kleen Subject: Re: [PATCH 1/4] VM/RMAP: Add infrastructure for batching the rmap chain locking Message-ID: <20110510000517.GC6008@one.firstfloor.org> References: <1304623972-9159-1-git-send-email-andi@firstfloor.org> <1304623972-9159-2-git-send-email-andi@firstfloor.org> <20110509144324.8e79654a.akpm@linux-foundation.org> <4DC86947.30607@linux.intel.com> <20110509152841.ec957d23.akpm@linux-foundation.org> <20110509230255.GA6008@one.firstfloor.org> <20110509161622.57093622.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110509161622.57093622.akpm@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Andi Kleen , Andi Kleen , linux-mm@kvack.org, Andrea Arcangeli , Rik van Riel , tim.c.chen@linux.intel.com, torvalds@linux-foundation.org, lwoodman@redhat.com, mel@csn.ul.ie > hm, which atomic ops are those? We shouldn't need buslocked operations > on UP. Good point. I forgot they're patched out. Then it's likely somewhat slower, but I doubt it's a significant slowdown. Essentially it's just a few more if ()s -Andi -- 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