Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp280086imu; Thu, 3 Jan 2019 19:44:35 -0800 (PST) X-Google-Smtp-Source: ALg8bN6Ic2FHbPQJD98qCL7Ykp7gNNkqVnF6Q6dAibvArkOG1hk2ciHzHeT+YuE+0iF/cLJ2P40q X-Received: by 2002:a63:170c:: with SMTP id x12mr272086pgl.364.1546573475333; Thu, 03 Jan 2019 19:44:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1546573475; cv=none; d=google.com; s=arc-20160816; b=rEYcvP9lYuBgQLso9J90eNnPKYycNJ+P9MDc68oFs2oJtsQsFzooSGWPb7Cin0jKrm 9aWYGEl6Wqohq08zrhXYcU2TVgXTQ5nOCCt4/ucL646dwTyArke3hfFV0Y7q7fCDRhhP 7E+Nf+ep5e6jm/f4Hwcssz6hWR1yqifbCwoCuqz0r6NApZstt1tKW+DBN0rHPxTaY2FM t7yyShh5tj2gUKR8j1ZolJGkSI30N0L5KoqdVU7zs3HOiRx+rgbSk3b/WcSX0oAYchTX zjsLb+/ot5g4lrklVX/FP85QPMVMtWbJsKxTC5mRZUp/9w5raBe8GdwlH6kmt5kCDLZW PSvw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=PqGGS0f6iFaw7bb2MDH9gFBZBFlx/uHPsNLs+NM3p/8=; b=Bk56BLfh1iJSjKrT9e6ElDpzxIjYXeHJOYrJOxrVi39dYnq8Ur3mOAZdonLvX2Dw+d UfwAFTbZoTEIKJR/qTM1GnLRPeWOFW3tKEzs2PUt+fH01SHQgF/FHEIK2O1TIDb6hUex oGGjnMWiKI7pF2ciWqlMzAMsyYx8upwPdYeTG537d7DCk4KSps+mKq97fsTA/gBUf/4N YM+xxs2aiEivV1zJoWuYskBpB8QQNQsxSv7HyNuqOOiCnNDHpTj386Ou6Mb0HAZzLO2r 2QX7iC/t7ctlG2cVr+hqFf6nylwA5byXryRPZVSKX7ExamgZTcz4jrT7QpLzTYzpSOZw Uhgg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i20si53957763pgh.187.2019.01.03.19.44.19; Thu, 03 Jan 2019 19:44:35 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728721AbfACWy1 (ORCPT + 99 others); Thu, 3 Jan 2019 17:54:27 -0500 Received: from outbound-smtp04.blacknight.com ([81.17.249.35]:60004 "EHLO outbound-smtp04.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726088AbfACWy1 (ORCPT ); Thu, 3 Jan 2019 17:54:27 -0500 Received: from mail.blacknight.com (pemlinmail03.blacknight.ie [81.17.254.16]) by outbound-smtp04.blacknight.com (Postfix) with ESMTPS id 52CCD98A50 for ; Thu, 3 Jan 2019 22:54:25 +0000 (UTC) Received: (qmail 378 invoked from network); 3 Jan 2019 22:54:25 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[37.228.229.96]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 3 Jan 2019 22:54:25 -0000 Date: Thu, 3 Jan 2019 22:54:23 +0000 From: Mel Gorman To: Qian Cai Cc: Dmitry Vyukov , Vlastimil Babka , syzbot , Andrea Arcangeli , Andrew Morton , "Kirill A. Shutemov" , LKML , Linux-MM , linux@dominikbrodowski.net, Michal Hocko , David Rientjes , syzkaller-bugs , xieyisheng1@huawei.com, zhong jiang , Peter Zijlstra , Ingo Molnar Subject: Re: possible deadlock in __wake_up_common_lock Message-ID: <20190103225423.GI31517@techsingularity.net> References: <000000000000f67ca2057e75bec3@google.com> <1194004c-f176-6253-a5fd-682472dccacc@suse.cz> <20190102180611.GE31517@techsingularity.net> <20190103163750.GH31517@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 03, 2019 at 02:40:35PM -0500, Qian Cai wrote: > > Signed-off-by: Mel Gorman > > Tested-by: Qian Cai Thanks! -- Mel Gorman SUSE Labs