From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Piggin Subject: [patch 0/2]: lockless get_user_pages patchset Date: Fri, 28 Mar 2008 03:54:55 +0100 Message-ID: <20080328025455.GA8083@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-arch-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: To: Andrew Morton Cc: shaggy-V7BBcbaFuwjMbYB6QlFGEg@public.gmane.org, axboe-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org Hi, This patchset It impoves our well known oltp performance thingy by 10% on DB2 on a modest 2 socket x86 system. For a sense of scale, remember numbers being tossed around like direct-IO giving a 12% improvement; or hugepages giving a 9% improvement... heh. I have a powerpc patch as well, but it needs benh to find me a bit in their pte to use. These patches are on top of the previous 7 patches just sent. Nick From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor.suse.de ([195.135.220.2]:44494 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756011AbYC1Cy5 (ORCPT ); Thu, 27 Mar 2008 22:54:57 -0400 Date: Fri, 28 Mar 2008 03:54:55 +0100 From: Nick Piggin Subject: [patch 0/2]: lockless get_user_pages patchset Message-ID: <20080328025455.GA8083@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-arch-owner@vger.kernel.org List-ID: To: Andrew Morton Cc: shaggy@austin.ibm.com, axboe@oracle.com, linux-mm@kvack.org, linux-arch@vger.kernel.org, torvalds@linux-foundation.org Message-ID: <20080328025455.lFSJwylF1IRhj5FMwyRA_wPcu0l05N6IYNJUw6rlmPI@z> Hi, This patchset It impoves our well known oltp performance thingy by 10% on DB2 on a modest 2 socket x86 system. For a sense of scale, remember numbers being tossed around like direct-IO giving a 12% improvement; or hugepages giving a 9% improvement... heh. I have a powerpc patch as well, but it needs benh to find me a bit in their pte to use. These patches are on top of the previous 7 patches just sent. Nick