From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta12.messagelabs.com (mail6.bemta12.messagelabs.com [216.82.250.247]) by kanga.kvack.org (Postfix) with ESMTP id 33EB96B002D for ; Tue, 18 Oct 2011 11:48:46 -0400 (EDT) From: Andi Kleen Subject: Re: [PATCH] Reduce vm_stat cacheline contention in __vm_enough_memory References: <20111013135032.7c2c54cd.akpm@linux-foundation.org> <20111013142434.4d05cbdc.akpm@linux-foundation.org> <20111014122506.GB26737@sgi.com> <20111014135055.GA28592@sgi.com> <20111014141921.GC28592@sgi.com> <20111014161603.GA30561@sgi.com> <20111018134835.GA16222@sgi.com> Date: Tue, 18 Oct 2011 08:48:44 -0700 In-Reply-To: <20111018134835.GA16222@sgi.com> (Dimitri Sivanich's message of "Tue, 18 Oct 2011 08:48:35 -0500") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: Dimitri Sivanich Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Christoph Lameter , Andrew Morton , Mel Gorman Dimitri Sivanich writes: > > Would it make sense to have the ZVC delta be tuneable (via /proc/sys/vm?), keeping the > same default behavior as what we currently have? Tunable is bad. We don't really want a "hundreds of lines magic shell script to make large systems perform". Please find a way to auto tune. -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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