Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760948AbXFRHnx (ORCPT ); Mon, 18 Jun 2007 03:43:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756450AbXFRHnq (ORCPT ); Mon, 18 Jun 2007 03:43:46 -0400 Received: from py-out-1112.google.com ([64.233.166.176]:2837 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756129AbXFRHnp (ORCPT ); Mon, 18 Jun 2007 03:43:45 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:from:to:subject:date:message-id; b=UHHHmkVV79dltcyirXQf6C7aopIPK8v+PEo42f9dAYk41wK+t0VOIy35cT2fhXEtDTgcLIQp4rbwAfKzfS1p+rxjVoEuC1drGNGDMId9vxOUVapmMo9kwP3Eyr8u94AiF2FffJjcWplCSy2eRgvKO4K3FzflRmOFJesCIfLS1n4= From: Denis Cheng To: linux-kernel@vger.kernel.org Subject: the memset operation on a automatic array variable can be removed by data Initialization Date: Mon, 18 Jun 2007 00:43:44 -0700 (PDT) Message-ID: <467637b0.16be600a.377c.ffff8c04@mx.google.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 19 Signed-Off-By: Denis Cheng --- arch/x86_64/mm/init.c 2007-06-07 10:08:04.000000000 +0800 +++ /tmp/init.c 2007-06-18 14:43:15.000000000 +0800 @@ -406,8 +406,7 @@ void __cpuinit zap_low_mappings(int cpu) #ifndef CONFIG_NUMA void __init paging_init(void) { - unsigned long max_zone_pfns[MAX_NR_ZONES]; - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN; max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; max_zone_pfns[ZONE_NORMAL] = end_pfn; - 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/