From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754556AbZKWS03 (ORCPT ); Mon, 23 Nov 2009 13:26:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751501AbZKWS02 (ORCPT ); Mon, 23 Nov 2009 13:26:28 -0500 Received: from mx3.mail.elte.hu ([157.181.1.138]:58658 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494AbZKWS02 (ORCPT ); Mon, 23 Nov 2009 13:26:28 -0500 Date: Mon, 23 Nov 2009 19:25:20 +0100 From: Ingo Molnar To: Jack Steiner Cc: "H. Peter Anvin" , tglx@linutronix.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3] x86: UV SGI, Don't track GRU space in PAT Message-ID: <20091123182520.GA24482@elte.hu> References: <20091029184723.GA562@sgi.com> <20091108120609.GW11372@elte.hu> <20091117212318.GA21137@sgi.com> <4B0321F9.5060308@zytor.com> <20091119202341.GA4420@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20091119202341.GA4420@sgi.com> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=none autolearn=no SpamAssassin version=3.2.5 _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jack Steiner wrote: > GRU space is always mapped as WB in the page table. There is > no need to track the mappings in the PAT. This also eliminates > the "freeing invalid memtype" messages when the GRU space is unmapped. > > Signed-off-by: Jack Steiner > > --- > Version 2 with changes suggested by Ingo (at least I think I understood what > he wanted). > > Version 3 with changes suggested by Peter to make the new function > a member of the x86_platform structure. thanks, it looks much cleaner now. I've applied it to tip:x86/mm. Ingo