From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id 3FF2B6B004D for ; Tue, 18 Aug 2009 10:22:04 -0400 (EDT) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id A9BFF82C2A6 for ; Tue, 18 Aug 2009 10:22:19 -0400 (EDT) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id eMOxmgpiByCN for ; Tue, 18 Aug 2009 10:22:15 -0400 (EDT) Received: from gentwo.org (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id D6B8D82C321 for ; Tue, 18 Aug 2009 10:22:13 -0400 (EDT) Date: Tue, 18 Aug 2009 10:22:01 -0400 (EDT) From: Christoph Lameter Subject: Re: [RFC PATCH 0/3] Reduce searching in the page allocator fast-path In-Reply-To: <1250594162-17322-1-git-send-email-mel@csn.ul.ie> Message-ID: References: <1250594162-17322-1-git-send-email-mel@csn.ul.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: Linux Memory Management List , Nick Piggin , Linux Kernel Mailing List List-ID: This could be combined with the per cpu ops patch that makes the page allocator use alloc_percpu for its per cpu data needs. That in turn would allow the use of per cpu atomics in the hot paths, maybe we can get to a point where we can drop the irq disable there. -- 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