From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with ESMTP id 3C9016007FD for ; Sat, 31 Jul 2010 20:29:52 -0400 (EDT) Subject: Re: [PATCH 0/8] v3 De-couple sysfs memory directories from memory sections From: Benjamin Herrenschmidt In-Reply-To: <20100731195506.GC4644@kroah.com> References: <4C451BF5.50304@austin.ibm.com> <1280554584.1902.31.camel@pasglop> <20100731195506.GC4644@kroah.com> Content-Type: text/plain; charset="UTF-8" Date: Sun, 01 Aug 2010 10:27:31 +1000 Message-ID: <1280622451.1902.33.camel@pasglop> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Greg KH Cc: Nathan Fontenot , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@ozlabs.org, KAMEZAWA Hiroyuki List-ID: On Sat, 2010-07-31 at 12:55 -0700, Greg KH wrote: > On Sat, Jul 31, 2010 at 03:36:24PM +1000, Benjamin Herrenschmidt wrote: > > On Mon, 2010-07-19 at 22:45 -0500, Nathan Fontenot wrote: > > > This set of patches de-couples the idea that there is a single > > > directory in sysfs for each memory section. The intent of the > > > patches is to reduce the number of sysfs directories created to > > > resolve a boot-time performance issue. On very large systems > > > boot time are getting very long (as seen on powerpc hardware) > > > due to the enormous number of sysfs directories being created. > > > On a system with 1 TB of memory we create ~63,000 directories. > > > For even larger systems boot times are being measured in hours. > > > > Greg, Kame, how do we proceed with these ? I'm happy to put them in > > powerpc.git with appropriate acks or will you take them ? > > I thought there would be at least one more round of these patches based > on the review comments, right? Yes, but I was nontheless inquiring whether I should pick them up after said repost :-) > I'll be glad to take them when everyone agrees with them. Ok, good, one less thing to worry about in powerpc patchwork :-) Cheers, Ben. > thanks, > > greg k-h -- 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