Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262110AbUKVXTs (ORCPT ); Mon, 22 Nov 2004 18:19:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261257AbUKVXRt (ORCPT ); Mon, 22 Nov 2004 18:17:49 -0500 Received: from smtp207.mail.sc5.yahoo.com ([216.136.129.97]:14170 "HELO smtp207.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261224AbUKVXOH (ORCPT ); Mon, 22 Nov 2004 18:14:07 -0500 Message-ID: <41A272BA.9000705@yahoo.com.au> Date: Tue, 23 Nov 2004 10:14:02 +1100 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20041007 Debian/1.7.3-5 X-Accept-Language: en MIME-Version: 1.0 To: Christoph Lameter CC: Linus Torvalds , Hugh Dickins , akpm@osdl.org, Benjamin Herrenschmidt , linux-mm@kvack.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: deferred rss update instead of sloppy rss References: <41A26910.7090401@yahoo.com.au> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 973 Lines: 30 Christoph Lameter wrote: > On Tue, 23 Nov 2004, Nick Piggin wrote: > > >>Deferred rss might be a practical solution, but I'd prefer this if it can >>be made workable. > > > Both results in an additional field in task_struct that is going to be > incremented when the page_table_lock is not held. It would be possible > to switch to looping in procfs later. The main question with this patchset > is: > Sure. > How and when can we get this get into the kernel? > Well it is a good starting platform for the various PTL reduction patches floating around. I'd say Andrew could be convinced to stick it in -mm after 2.6.10, but we'd probably need a clear path to one of the PTL patches before anything would move into 2.6. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/