From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756753AbZJ0T7G (ORCPT ); Tue, 27 Oct 2009 15:59:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756725AbZJ0T7F (ORCPT ); Tue, 27 Oct 2009 15:59:05 -0400 Received: from g1t0027.austin.hp.com ([15.216.28.34]:27406 "EHLO g1t0027.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756722AbZJ0T7E (ORCPT ); Tue, 27 Oct 2009 15:59:04 -0400 Date: Tue, 27 Oct 2009 13:59:07 -0600 From: Alex Chiang To: David Rientjes Cc: akpm@linux-foundation.org, Gary Hade , Heiko Carstens , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Badari Pulavarty , Martin Schwidefsky , Ingo Molnar Subject: Re: [PATCH v2 1/5] mm: add numa node symlink for memory section in sysfs Message-ID: <20091027195907.GJ14102@ldl.fc.hp.com> References: <20091022040814.15705.95572.stgit@bob.kio> <20091022041510.15705.5410.stgit@bob.kio> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thank you for ACKing, David. S390 guys, I cc'ed you on this patch because I heard a rumour that your memory sections may belong to more than one NUMA node? Is that true? If so, how would you like me to handle that situation? Any comments on this patch series would be appreciated. Thanks. /ac * David Rientjes : > On Wed, 21 Oct 2009, Alex Chiang wrote: > > > Commit c04fc586c (mm: show node to memory section relationship with > > symlinks in sysfs) created symlinks from nodes to memory sections, e.g. > > > > /sys/devices/system/node/node1/memory135 -> ../../memory/memory135 > > > > If you're examining the memory section though and are wondering what > > node it might belong to, you can find it by grovelling around in > > sysfs, but it's a little cumbersome. > > > > Add a reverse symlink for each memory section that points back to the > > node to which it belongs. > > > > Cc: Martin Schwidefsky > > Cc: Heiko Carstens > > Cc: Gary Hade > > Cc: Badari Pulavarty > > Cc: Ingo Molnar > > Signed-off-by: Alex Chiang > > Acked-by: David Rientjes > > Very helpful backlinks to memory section nodes even though I have lots of > memory directories on some of my test machines :)