Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760294AbYCYT2Q (ORCPT ); Tue, 25 Mar 2008 15:28:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760052AbYCYT1Q (ORCPT ); Tue, 25 Mar 2008 15:27:16 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:41590 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758141AbYCYT04 (ORCPT ); Tue, 25 Mar 2008 15:26:56 -0400 Date: Tue, 25 Mar 2008 12:25:04 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: "Luck, Tony" cc: David Miller , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org Subject: RE: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86 In-Reply-To: <1FE6DD409037234FAB833C420AA843ECE9DDFA@orsmsx424.amr.corp.intel.com> Message-ID: References: <20080321061726.782068299@sgi.com> <20080321.002502.223136918.davem@davemloft.net> <20080321.145712.198736315.davem@davemloft.net> <1FE6DD409037234FAB833C420AA843ECE5B84D@orsmsx424.amr.corp.intel.com> <1FE6DD409037234FAB833C420AA843ECE9DDFA@orsmsx424.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 596 Lines: 14 On Tue, 25 Mar 2008, Luck, Tony wrote: > dtr[1] : maps an area of region 7 that spans kernel stack > page size is kernel granule size (default 16M). > This mapping needs to be reset on a context switch > where we move to a stack in a different granule. Interesting.... Never realized we were doing these tricks with DTR. -- 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/