From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx200.postini.com [74.125.245.200]) by kanga.kvack.org (Postfix) with SMTP id 86E796B004A for ; Tue, 17 Apr 2012 16:25:48 -0400 (EDT) Received: by ghrr18 with SMTP id r18so4459802ghr.14 for ; Tue, 17 Apr 2012 13:25:47 -0700 (PDT) Date: Tue, 17 Apr 2012 13:25:45 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH linux-next] mm/hugetlb: fix warning in alloc_huge_page/dequeue_huge_page_vma In-Reply-To: <20120417122819.7438.26117.stgit@zurg> Message-ID: References: <20120417122819.7438.26117.stgit@zurg> MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="397155492-1801852364-1334694346=:10932" Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Mel Gorman This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --397155492-1801852364-1334694346=:10932 Content-Type: TEXT/PLAIN; charset=UTF-8 Content-Transfer-Encoding: 8BIT On Tue, 17 Apr 2012, Konstantin Khlebnikov wrote: > This patch fixes gcc warning (and bug?) introduced in linux-next commit cc9a6c877 > ("cpuset: mm: reduce large amounts of memory barrier related damage v3") > > Local variable "page" can be uninitialized if nodemask from vma policy does not > intersects with nodemask from cpuset. Even if it wouldn't happens it's better to > initialize this variable explicitly than to introduce kernel oops on weird corner case. > > mm/hugetlb.c: In function a??alloc_huge_pagea??: > mm/hugetlb.c:1135:5: warning: a??pagea?? may be used uninitialized in this function > > Signed-off-by: Konstantin Khlebnikov > Cc: Mel Gorman Acked-by: David Rientjes This isn't just in -next, it's also in Linus' tree and seems like 3.4-rc4 material to me. --397155492-1801852364-1334694346=:10932-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org