Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161052AbVKDFgO (ORCPT ); Fri, 4 Nov 2005 00:36:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161073AbVKDFgO (ORCPT ); Fri, 4 Nov 2005 00:36:14 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:8129 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1161052AbVKDFgN (ORCPT ); Fri, 4 Nov 2005 00:36:13 -0500 Date: Thu, 3 Nov 2005 21:35:38 -0800 From: Paul Jackson To: Andrew Morton Cc: pbadari@gmail.com, jdike@addtoit.com, rob@landley.net, nickpiggin@yahoo.com.au, gh@us.ibm.com, mingo@elte.hu, kamezawa.hiroyu@jp.fujitsu.com, haveblue@us.ibm.com, mel@csn.ul.ie, mbligh@mbligh.org, kravetz@us.ibm.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, lhms-devel@lists.sourceforge.net Subject: Re: [Lhms-devel] [PATCH 0/7] Fragmentation Avoidance V19 Message-Id: <20051103213538.7f037b3a.pj@sgi.com> In-Reply-To: <20051103205202.4417acf4.akpm@osdl.org> References: <200511021747.45599.rob@landley.net> <43699573.4070301@yahoo.com.au> <200511030007.34285.rob@landley.net> <20051103163555.GA4174@ccure.user-mode-linux.org> <1131035000.24503.135.camel@localhost.localdomain> <20051103205202.4417acf4.akpm@osdl.org> Organization: SGI X-Mailer: Sylpheed version 2.0.0beta5 (GTK+ 2.4.9; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1058 Lines: 25 > Similarly, that SGI patch which was rejected 6-12 months ago to kill off > processes once they started swapping. We thought that it could be done > from userspace, but we need a way for userspace to detect when a task is > being swapped on a per-task basis. > > I'm thinking a few numbers in the mm_struct, incremented in the pageout > code, reported via /proc/stat. I just sent in a proposed patch for this - one more per-cpuset number, tracking the recent rate of calls into the synchronous (direct) page reclaim by tasks in the cpuset. See the message sent a few minutes ago, with subject: [PATCH 5/5] cpuset: memory reclaim rate meter -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 - 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/