From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 29 Feb 2008 13:07:30 -0800 (PST) From: Christoph Lameter Subject: Re: [PATCH 4/6] Use two zonelist that are filtered by GFP mask In-Reply-To: <1204300094.5311.50.camel@localhost> Message-ID: References: <20080227214708.6858.53458.sendpatchset@localhost> <20080227214734.6858.9968.sendpatchset@localhost> <20080228133247.6a7b626f.akpm@linux-foundation.org> <20080229145030.GD6045@csn.ul.ie> <1204300094.5311.50.camel@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Lee Schermerhorn Cc: Mel Gorman , Andrew Morton , ak@suse.de, kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org, rientjes@google.com, eric.whitney@hp.com List-ID: On Fri, 29 Feb 2008, Lee Schermerhorn wrote: > + usage in slab.c and slub.c appears to be the fallback/slow path. > Christoph can chime in, here, if he disagrees. Correct. And in 2.6.25 slub will start to buffer page allocator allocs in order to avoid that current issue with 4k allocs being slower than slab due to page allocator inefficiency. I think we need a new fastpath for the page allocator! (No not me, I am already handing a gazillion patches). -- 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