Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759213AbYCYR5N (ORCPT ); Tue, 25 Mar 2008 13:57:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756712AbYCYR47 (ORCPT ); Tue, 25 Mar 2008 13:56:59 -0400 Received: from relay2.sgi.com ([192.48.171.30]:57242 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756643AbYCYR46 (ORCPT ); Tue, 25 Mar 2008 13:56:58 -0400 Date: Tue, 25 Mar 2008 10:55:06 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Andi Kleen cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, viro@ftp.linux.org.uk Subject: Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86 In-Reply-To: <20080325075106.GF2170@one.firstfloor.org> Message-ID: References: <20080321061703.921169367@sgi.com> <20080321061726.782068299@sgi.com> <871w63iuap.fsf@basil.nowhere.org> <20080325075106.GF2170@one.firstfloor.org> 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: 593 Lines: 14 On Tue, 25 Mar 2008, Andi Kleen wrote: > Maybe sparse could be taught to check for this if it happens > in a single function? (cc'ing Al who might have some thoughts > on this). Of course if it happens spread out over multiple > functions sparse wouldn't help neither. We could add debugging code to virt_to_page (or __pa) to catch these uses. -- 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/