From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 1 Dec 2006 08:32:35 -0800 (PST) From: Christoph Lameter Subject: Re: Slab: Better fallback allocation behavior In-Reply-To: <20061201123205.GA3528@skynet.ie> Message-ID: References: <20061201123205.GA3528@skynet.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Mel Gorman Cc: akpm@osdl.org, linux-mm@kvack.org List-ID: On Fri, 1 Dec 2006, Mel Gorman wrote: > Hi Christoph, > > On (29/11/06 17:01), Christoph Lameter didst pronounce: > > Currently we simply attempt to allocate from all allowed nodes using > > GFP_THISNODE. > > I thought GFP_THISNODE meant we never fallback to other nodes and no policies > are ever applied. That is __GFP_THISNODE alone. GFP_THISNODE is combination of flags used to get a page if there is one available on that node. These are necessary so that kernel subsystems (like the slab) can manage their own locality by placing node specific objects in per node lists. -- 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