From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f199.google.com (mail-pf0-f199.google.com [209.85.192.199]) by kanga.kvack.org (Postfix) with ESMTP id 998BA800D8 for ; Thu, 25 Jan 2018 05:51:29 -0500 (EST) Received: by mail-pf0-f199.google.com with SMTP id b75so5695196pfk.22 for ; Thu, 25 Jan 2018 02:51:29 -0800 (PST) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp. [2001:e42:101:1:202:181:97:72]) by mx.google.com with ESMTPS id p2si1411715pgn.325.2018.01.25.02.51.27 for (version=TLS1 cipher=AES128-SHA bits=128/128); Thu, 25 Jan 2018 02:51:28 -0800 (PST) Subject: Re: Possible deadlock in v4.14.15 contention on shrinker_rwsem in shrink_slab() References: <20180125083516.GA22396@dhcp22.suse.cz> From: Tetsuo Handa Message-ID: <1ebda9d8-d3e9-db5c-7a06-dc16cbe80188@I-love.SAKURA.ne.jp> Date: Thu, 25 Jan 2018 19:51:19 +0900 MIME-Version: 1.0 In-Reply-To: <20180125083516.GA22396@dhcp22.suse.cz> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko , Eric Wheeler Cc: linux-mm@kvack.org, "Kirill A. Shutemov" , Minchan Kim On 2018/01/25 17:35, Michal Hocko wrote: > Maybe something related with f80207727aac ("mm/memory.c: release locked > page in do_swap_page()") Commit f80207727aaca3aa ("mm/memory.c: release locked page in do_swap_page()") was added in v4.15-rc9, and commit 0bcac06f27d75285 ("mm, swap: skip swapcache for swapin of synchronous device") was added in v4.15-rc1. Since commit 0bcac06f27d75285 was not backported to 4.14-stable kernel, it is unlikely unless Eric explicitly backported that commit. -- 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