From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x232.google.com (mail-pa0-x232.google.com [IPv6:2607:f8b0:400e:c03::232]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D8AF62C009B for ; Thu, 6 Feb 2014 19:37:58 +1100 (EST) Received: by mail-pa0-f50.google.com with SMTP id kp14so1415719pab.23 for ; Thu, 06 Feb 2014 00:37:55 -0800 (PST) Date: Thu, 6 Feb 2014 00:37:53 -0800 (PST) From: David Rientjes To: Joonsoo Kim Subject: Re: [RFC PATCH 1/3] slub: search partial list on numa_mem_id(), instead of numa_node_id() In-Reply-To: <1391674026-20092-1-git-send-email-iamjoonsoo.kim@lge.com> Message-ID: References: <20140206020757.GC5433@linux.vnet.ibm.com> <1391674026-20092-1-git-send-email-iamjoonsoo.kim@lge.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Han Pingtian , Nishanth Aravamudan , penberg@kernel.org, linux-mm@kvack.org, paulus@samba.org, Anton Blanchard , mpm@selenic.com, Christoph Lameter , linuxppc-dev@lists.ozlabs.org, Wanpeng Li List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, 6 Feb 2014, Joonsoo Kim wrote: > Currently, if allocation constraint to node is NUMA_NO_NODE, we search > a partial slab on numa_node_id() node. This doesn't work properly on the > system having memoryless node, since it can have no memory on that node and > there must be no partial slab on that node. > > On that node, page allocation always fallback to numa_mem_id() first. So > searching a partial slab on numa_node_id() in that case is proper solution > for memoryless node case. > > Signed-off-by: Joonsoo Kim > Acked-by: David Rientjes I think you'll need to send these to Andrew since he appears to be picking up slub patches these days.