From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e1.ny.us.ibm.com (8.13.8/8.13.8) with ESMTP id l76GdXgA002002 for ; Mon, 6 Aug 2007 12:39:33 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v8.4) with ESMTP id l76GdWBl131726 for ; Mon, 6 Aug 2007 12:39:32 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l76GdWkr012042 for ; Mon, 6 Aug 2007 12:39:32 -0400 Date: Mon, 6 Aug 2007 09:39:31 -0700 From: Nishanth Aravamudan Subject: Re: [RFC][PATCH 0/5] hugetlb NUMA improvements Message-ID: <20070806163931.GM15714@us.ibm.com> References: <20070806163254.GJ15714@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070806163254.GJ15714@us.ibm.com> Sender: owner-linux-mm@kvack.org Return-Path: To: clameter@sgi.com Cc: lee.schermerhorn@hp.com, wli@holomorphy.com, melgor@ie.ibm.com, akpm@linux-foundation.org, linux-mm@kvack.org, agl@us.ibm.com List-ID: On 06.08.2007 [09:32:54 -0700], Nishanth Aravamudan wrote: > The following stack of 5 patches give hugetlbfs improved NUMA support. > > 1/5: Fix hugetlb pool allocation with empty nodes V9 > The most important of the patches, fix hugetlb pool allocation > in the presence of memoryless nodes. > > 2/5: hugetlb: numafy several functions > 3/5: hugetlb: add per-node nr_hugepages sysfs attribute > Together, add a per-node sysfs attribute for the number of > hugepages allocated on the node. This gives system > administrators more fine-grained control of the global pool's > distribution. > > 4/5: hugetlb: fix cpuset-constrained pool resizing > fix cpuset-constrained resizing in the presence of the previous > 3 patches. > > 5/5: hugetlb: interleave dequeueing of huge pages > add interleaving to the dequeue path for hugetlb, so that > hugepages are removed from all available nodes when the pool > shrinks. Given the sysfs attribute the current node-at-a-time > dequeueing is still possible. I forgot to mention that this stack depends on Christoph's set of memoryless nodes patches. In particular the node_states nodemask array and the fix for GFP_THISNODE allocations. Thanks, Nish -- Nishanth Aravamudan IBM Linux Technology Center -- 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