From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752222Ab0CQPWc (ORCPT ); Wed, 17 Mar 2010 11:22:32 -0400 Received: from mga02.intel.com ([134.134.136.20]:45350 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818Ab0CQPWa (ORCPT ); Wed, 17 Mar 2010 11:22:30 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.49,657,1262592000"; d="scan'208";a="501379149" Subject: Re: [patch 2/2] x86,pat Convert memtype_lock into an rw_lock. From: Suresh Siddha Reply-To: Suresh Siddha To: "holt@sgi.com" Cc: Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner , Venkatesh Pallipadi , Venkatesh Pallipadi , Linux Kernel Mailing List , "x86@kernel.org" In-Reply-To: <20100315132110.834268286@gulag1.americas.sgi.com> References: <20100315132103.228021253@gulag1.americas.sgi.com> <20100315132110.834268286@gulag1.americas.sgi.com> Content-Type: text/plain Organization: Intel Corp Date: Wed, 17 Mar 2010 08:21:23 -0800 Message-Id: <1268842883.2696.10.camel@sbs-t61> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 (2.26.3-1.fc11) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2010-03-15 at 06:21 -0700, holt@sgi.com wrote: > Convert the memtype_lock from a spin_lock to an rw_lock. The first > version of my patch had this and it did improve performance for fault > in times. The atomic page flags patch (first in the series) improves > things much greater for ram pages. This patch is to help the other pages. > Acked-by: Suresh Siddha X86 folks, can you please queue both these patches if you don't have any objections. thanks, suresh