From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 14 Sep 2007 11:41:26 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH/RFC 0/5] Memory Policy Cleanups and Enhancements In-Reply-To: <1189791967.13629.24.camel@localhost> Message-ID: References: <20070830185053.22619.96398.sendpatchset@localhost> <1189527657.5036.35.camel@localhost> <1189691837.5013.43.camel@localhost> <20070913182344.GB23752@skynet.ie> <20070913141704.4623ac57.akpm@linux-foundation.org> <20070914085335.GA30407@skynet.ie> <1189782414.5315.36.camel@localhost> <1189791967.13629.24.camel@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Mel Gorman Cc: Lee Schermerhorn , Andrew Morton , linux-mm@kvack.org, ak@suse.de, mtk-manpages@gmx.net, solo@google.com, eric.whitney@hp.com, Kamezawa Hiroyuki List-ID: Since you are going to rework the one zonelist patch again anyway I would suggest to either use Kame-san full approach and include the node in the zonelist item structure (it does not add any memory since the struct is word aligned and this is an int) or go back to the earlier approach of packing the zone id into the low bits which would reduce the cache footprint. Kame-san's approach is likely very useful if we have a lot of nodes and need to match a nodemask to a zonelist. -- 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