From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx132.postini.com [74.125.245.132]) by kanga.kvack.org (Postfix) with SMTP id 1BBF36B005D for ; Wed, 12 Dec 2012 00:36:38 -0500 (EST) Received: by mail-vc0-f181.google.com with SMTP id gb30so277266vcb.26 for ; Tue, 11 Dec 2012 21:36:37 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <50BCA2E4.8050600@suse.cz> References: <50B52E17.8020205@suse.cz> <1354287821-5925-1-git-send-email-kirill.shutemov@linux.intel.com> <50BCA2E4.8050600@suse.cz> Date: Wed, 12 Dec 2012 13:36:36 +0800 Message-ID: Subject: Re: [PATCH 0/2] kernel BUG at mm/huge_memory.c:212! From: Bob Liu Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: Jiri Slaby Cc: "Kirill A. Shutemov" , linux-mm@kvack.org, LKML , David Rientjes , Andrew Morton , Andrea Arcangeli On Mon, Dec 3, 2012 at 9:02 PM, Jiri Slaby wrote: > On 11/30/2012 04:03 PM, Kirill A. Shutemov wrote: >> From: "Kirill A. Shutemov" >> >> Hi Jiri, >> >> Sorry for late answer. It took time to reproduce and debug the issue. >> >> Could you test two patches below by thread. I expect it to fix both >> issues: put_huge_zero_page() and Bad rss-counter state. > > Hi, yes, since applying the patches on the last Thu, it didn't recur. > >> Kirill A. Shutemov (2): >> thp: fix anononymous page accounting in fallback path for COW of HZP >> thp: avoid race on multiple parallel page faults to the same page >> >> mm/huge_memory.c | 30 +++++++++++++++++++++++++----- >> 1 file changed, 25 insertions(+), 5 deletions(-) > I still saw this bug on 3.7.0-rc8, but it's hard to reproduce it. It appears only once. -- Regards, --Bob -- 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/ . Don't email: email@kvack.org