From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756685AbZCENkz (ORCPT ); Thu, 5 Mar 2009 08:40:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755586AbZCENiS (ORCPT ); Thu, 5 Mar 2009 08:38:18 -0500 Received: from hera.kernel.org ([140.211.167.34]:49959 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755567AbZCENiQ (ORCPT ); Thu, 5 Mar 2009 08:38:16 -0500 Date: Thu, 5 Mar 2009 13:37:42 GMT From: Pekka Enberg To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@redhat.com, yinghai@kernel.org, penberg@cs.helsinki.fi, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org, yinghai@kernel.org, penberg@cs.helsinki.fi, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <1236257708-27269-9-git-send-email-penberg@cs.helsinki.fi> References: <1236257708-27269-9-git-send-email-penberg@cs.helsinki.fi> Subject: [tip:x86/mm] x86: add table start and end sanity checks to 32-bit init_memory_mapping() Message-ID: Git-Commit-ID: d58e854e36ddf241ebc243e4122c5ab087bf38df X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Thu, 05 Mar 2009 13:37:44 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: d58e854e36ddf241ebc243e4122c5ab087bf38df Gitweb: http://git.kernel.org/tip/d58e854e36ddf241ebc243e4122c5ab087bf38df Author: "Pekka Enberg" AuthorDate: Thu, 5 Mar 2009 14:55:00 +0200 Commit: Ingo Molnar CommitDate: Thu, 5 Mar 2009 14:17:14 +0100 x86: add table start and end sanity checks to 32-bit init_memory_mapping() Impact: cleanup This patch adds a sanity check to the 32-bit version of init_memory_mapping() to reduce the diff to the 64-bit version. Signed-off-by: Pekka Enberg Cc: Yinghai Lu LKML-Reference: <1236257708-27269-9-git-send-email-penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar --- arch/x86/mm/init_32.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 00c1d85..0a3707f 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -1060,7 +1060,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, __flush_tlb_all(); - if (!after_bootmem) + if (!after_bootmem && table_end > table_start) reserve_early(table_start << PAGE_SHIFT, table_end << PAGE_SHIFT, "PGTABLE");