Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752278AbbFYUtH (ORCPT ); Thu, 25 Jun 2015 16:49:07 -0400 Received: from cantor2.suse.de ([195.135.220.15]:45112 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751670AbbFYUs7 (ORCPT ); Thu, 25 Jun 2015 16:48:59 -0400 Date: Thu, 25 Jun 2015 21:48:55 +0100 From: Mel Gorman To: Nathan Zimmer Cc: Daniel J Blueman , Andrew Morton , Waiman Long , Dave Hansen , Scott Norton , Linux-MM , LKML , Steffen Persvold Subject: Re: [PATCH] mm: meminit: Finish initialisation of struct pages before basic setup Message-ID: <20150625204855.GC26927@suse.de> References: <20150513163157.GR2462@suse.de> <1431597783.26797.1@cpanel21.proisp.no> <20150624225028.GA97166@asylum.americas.sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20150624225028.GA97166@asylum.americas.sgi.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 20 On Wed, Jun 24, 2015 at 05:50:28PM -0500, Nathan Zimmer wrote: > My apologies for taking so long to get back to this. > > I think I did locate two potential sources of slowdown. > One is the set_cpus_allowed_ptr as I have noted previously. > However I only notice that on the very largest boxes. > I did cobble together a patch that seems to help. > If you are using kthread_create_on_node(), is it even necessary to call set_cpus_allowed_ptr() at all? -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/