From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 11 Jun 2007 19:53:10 -0700 (PDT) From: Christoph Lameter Subject: Re: [PATCH] Add populated_map to account for memoryless nodes In-Reply-To: <20070612112757.e2d511e0.kamezawa.hiroyu@jp.fujitsu.com> Message-ID: References: <20070611202728.GD9920@us.ibm.com> <20070612112757.e2d511e0.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: Nishanth Aravamudan , Lee Schermerhorn , anton@samba.org, akpm@linux-foundation.org, linux-mm@kvack.org List-ID: On Tue, 12 Jun 2007, KAMEZAWA Hiroyuki wrote: > On Mon, 11 Jun 2007 13:27:28 -0700 > Nishanth Aravamudan , Lee Schermerhorn wrote: > > > Split up Lee and Anton's original patch > > (http://marc.info/?l=linux-mm&m=118133042025995&w=2), to allow for the > > populated_map changes to go in on their own. > > > > Add a populated_map nodemask to indicate a node has memory or not. We > > have run into a number of issues (in practice and in code) with > > assumptions about every node having memory. Having this nodemask allows > > us to fix these issues; in particular, THISNODE allocations will come > > from the node specified, only, and the INTERLEAVE policy will be able to > > do the right thing with memoryless nodes. > > > Thank you, I like this work. > > > +extern nodemask_t node_populated_map; > please add /* node has memory */ here. > > I don't think "populated node" means "node-with-memory" if there is no comments. What else could it mean? -- 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