From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262930AbTDII5P (for ); Wed, 9 Apr 2003 04:57:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262931AbTDII5P (for ); Wed, 9 Apr 2003 04:57:15 -0400 Received: from gw1.cosmosbay.com ([62.23.185.226]:57222 "EHLO gw1.cosmosbay.com") by vger.kernel.org with ESMTP id S262930AbTDII5N (for ); Wed, 9 Apr 2003 04:57:13 -0400 Message-ID: <014501c2fe77$9ef3b410$760010ac@edumazet> From: "dada1" To: "Andrew Morton" Cc: References: <035401c2fdac$6e6aa400$5600a8c0@edumazet> <20030408020439.16c8322b.akpm@digeo.com> Subject: Re: Kernel BUG linux-2.5.67 Date: Wed, 9 Apr 2003 11:08:43 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello Andrew Sorry for the delay... I confirm that your patch corrects the problem for me. Thanks Eric From: "Andrew Morton" > > instant oops with a small multi-threaded program using futex() & hugetlb > > Was the futex placed inside a hugetlb page? Please say yes. > > There is a stunning bug. > > --- 25/include/linux/mm.h~a 2003-04-08 02:03:19.000000000 -0700 > +++ 25-akpm/include/linux/mm.h 2003-04-08 02:03:24.000000000 -0700 > @@ -231,8 +231,8 @@ static inline void get_page(struct page > static inline void put_page(struct page *page) > { > if (PageCompound(page)) { > + page = (struct page *)page->lru.next; > if (put_page_testzero(page)) { > - page = (struct page *)page->lru.next; > if (page->lru.prev) { /* destructor? */ > (*(void (*)(struct page *))page->lru.prev)(page); > } else { > > _ >