From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id BD6976B0007 for ; Tue, 5 Feb 2013 14:28:33 -0500 (EST) Received: from /spool/local by e06smtp17.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 5 Feb 2013 19:27:16 -0000 Received: from d06av09.portsmouth.uk.ibm.com (d06av09.portsmouth.uk.ibm.com [9.149.37.250]) by b06cxnps4076.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r15JSKbq13566046 for ; Tue, 5 Feb 2013 19:28:21 GMT Received: from d06av09.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r15JST3K000543 for ; Tue, 5 Feb 2013 12:28:29 -0700 Date: Tue, 5 Feb 2013 11:28:21 -0800 From: Martin Schwidefsky Subject: Re: [PATCH] software dirty bits for s390 Message-ID: <20130205112821.0e35b241@mschwide> In-Reply-To: <1360087925-8456-2-git-send-email-schwidefsky@de.ibm.com> References: <1360087925-8456-1-git-send-email-schwidefsky@de.ibm.com> <1360087925-8456-2-git-send-email-schwidefsky@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Martin Schwidefsky Cc: linux-mm@kvack.org, linux-s390@vger.kernel.org, Hugh Dickins , Mel Gorman , Jan Kara , Christian Ehrhardt On Tue, 5 Feb 2013 10:12:04 -0800 Martin Schwidefsky wrote: > Greetings, > > good news, I got performance results for a selected set of workloads > with my software dirty bit patch (thanks Christian!). We found no > downsides to the software dirty bits, and a substantial improvement > in CPU utilization for the FIO test with mostly read mappings. > > The patch can now go upstream. Grumpf, 0000-cover-letter.patch~ in the outgoing directory. Please ignore. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- 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