From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx124.postini.com [74.125.245.124]) by kanga.kvack.org (Postfix) with SMTP id 15CEE6B0286 for ; Tue, 13 Dec 2011 15:13:02 -0500 (EST) Date: Tue, 13 Dec 2011 14:12:58 -0600 (CST) From: Christoph Lameter Subject: Re: [patch v3]numa: add a sysctl to control interleave allocation granularity from each node to improve I/O performance In-Reply-To: <20111213190632.GA5830@tassilo.jf.intel.com> Message-ID: References: <1323655125.22361.376.camel@sli10-conroe> <20111213190632.GA5830@tassilo.jf.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Andi Kleen Cc: Shaohua Li , lkml , linux-mm , Andrew Morton , Jens Axboe , lee.schermerhorn@hp.com, David Rientjes On Tue, 13 Dec 2011, Andi Kleen wrote: > I would prefer to add a new policy (INTERLEAVE_MULTI or so) for this > instead of a global sysctl, that takes the additional parameter. That would require a change of all scripts and code that uses MPOL_INTERLEAVE. Lets not do that. > Also I don't like having more per task state. Could you compute this > from the address instead even for the process policy case? That sounds good. -- 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