From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 18 Sep 2006 13:28:18 -0700 From: Andrew Morton Subject: Re: [PATCH] Get rid of zone_table V2 Message-Id: <20060918132818.603196e2.akpm@osdl.org> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: linux-mm@kvack.org, Andy Whitcroft , Dave Hansen List-ID: On Mon, 18 Sep 2006 12:21:35 -0700 (PDT) Christoph Lameter wrote: > The zone table is mostly not needed. If we have a node in the > page flags then we can get to the zone via NODE_DATA() which > is much more likely to be already in the cpu cache. Adds a couple of hundred bytes of text to an x86 SMP build. Any idea why? If it's things like page_zone() getting porkier then that's a bit unfortunate - that's rather fastpath material. -- 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