From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by kanga.kvack.org (Postfix) with ESMTP id EB0806B0031 for ; Thu, 30 Jan 2014 04:08:06 -0500 (EST) Received: by mail-wg0-f52.google.com with SMTP id b13so5736878wgh.7 for ; Thu, 30 Jan 2014 01:08:06 -0800 (PST) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id be6si2790159wib.13.2014.01.30.01.08.04 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Thu, 30 Jan 2014 01:08:05 -0800 (PST) Date: Thu, 30 Jan 2014 09:08:02 +0000 From: Mel Gorman Subject: Re: /proc/pid/numa_maps no longer shows "default" policy Message-ID: <20140130090802.GH6732@suse.de> References: <20140130173457.115a30f8@kryten> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20140130173457.115a30f8@kryten> Sender: owner-linux-mm@kvack.org List-ID: To: Anton Blanchard Cc: linux-mm@kvack.org On Thu, Jan 30, 2014 at 05:34:57PM +1100, Anton Blanchard wrote: > > Hi Mel, > > We recently noticed that /proc/pid/numa_maps used to show default > policy mappings as such: > > cat /proc/self/numa_maps > 00100000 default mapped=1 mapmax=339 active=0 N0=1 > > But now it shows them as prefer:X: > > cat /proc/self/numa_maps > 10000000 prefer:1 file=/usr/bin/cat mapped=1 N0=1 > > It looks like this was caused by 5606e387 (mm: numa: Migrate on > reference policy). I'm not sure if this is expected, but we don't have > CONFIG_NUMA_BALANCING enabled on ppc64 so I wasn't expecting processes > to have a particular node affinity by default. > https://lkml.org/lkml/2014/1/25/182 -- Mel Gorman SUSE Labs -- 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