From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com ([134.134.136.100]:13061 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932629AbcLSSxT (ORCPT ); Mon, 19 Dec 2016 13:53:19 -0500 From: "Odzioba, Lukasz" To: Michal Hocko , Ian Jackson CC: "xen-devel@lists.xensource.com" , "Kirill Shutemov" , Andrea Arcangeli , Vladimir Davydov , Ming Li , Minchan Kim , "stable@vger.kernel.org" , Andrew Morton , Linus Torvalds , Sasha Levin Subject: RE: Regression due to "mm/swap.c: flush lru pvecs on compound page arrival" Date: Mon, 19 Dec 2016 18:53:09 +0000 Message-ID: References: <22609.18772.521248.918298@mariner.uk.xensource.com> <20161214152148.GO25573@dhcp22.suse.cz> In-Reply-To: <20161214152148.GO25573@dhcp22.suse.cz> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org List-ID: On Wednesday, December 14, 2016 4:22 PM Michal Hocko, wrote: > Ohh, I can see it now. This is not an upstream commit. This is a 3.18.37 > backport which was wrong! You need the follow up fix 52c84a95dc6a > ("4.1.28 Fix bad backport of 8f182270dfec "mm/swap.c: flush lru pvecs on > compound page arrival""). The primary problem was that __lru_cache_add > has leaked pages which would explain your OOM. Ian did it solve the problem for you? Thanks, Lukas