From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 4 Apr 2007 21:04:38 -0700 (PDT) From: Christoph Lameter Subject: Re: [RFC] Free up page->private for compound pages In-Reply-To: <20070405035741.GH11192@wotan.suse.de> Message-ID: References: <20070405033648.GG11192@wotan.suse.de> <20070405035741.GH11192@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: linux-mm@kvack.org, dgc@sgi.com List-ID: On Thu, 5 Apr 2007, Nick Piggin wrote: > > > Couldn't you use something like PageActive for the head page instead of > > > taking up a new flag, seeing as we don't put compound pages on the LRU? > > > > We could set up an alias for now? > > Yeah, definitely use an alias. > Which one? PageActive is in use by the slab and the slab can use compound pages. So PG_reclaim? Its pretty esoteric. -- 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