From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E196C5DF63 for ; Wed, 6 Nov 2019 17:03:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2C452173E for ; Wed, 6 Nov 2019 17:03:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="RCQB+6NM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732473AbfKFRDa (ORCPT ); Wed, 6 Nov 2019 12:03:30 -0500 Received: from mout.gmx.net ([212.227.15.15]:54297 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732275AbfKFRD3 (ORCPT ); Wed, 6 Nov 2019 12:03:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1573059793; bh=DXiFHcDw6sm/LXNoMrhS8D2YEJLpr2IJCcrUXxItYpI=; h=X-UI-Sender-Class:Subject:From:Reply-To:To:Cc:Date:In-Reply-To: References; b=RCQB+6NMv5g9ZdYK5Iz/40FbLE3/cceoFtn5ztQCmHG0B+NRRL1dT7o3NzTkNwUK6 AggznjXfZxCHAYeD/lZcA0rYw3nlrbqD107nrCMbhZMO+6jKrsilJxicLvtm6UvTUq f4puFjvXN6rIukJgTUEu/iRUua8oysYnb0XjR6Gs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from bear.fritz.box ([80.128.101.49]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1Mlf4S-1i1HN52O9a-00ioUh; Wed, 06 Nov 2019 18:03:13 +0100 Message-ID: <94c71621a0245db763db9e289286b79056cc9bc5.camel@gmx.de> Subject: Re: mlockall(MCL_CURRENT) blocking infinitely From: Robert Stupp Reply-To: snazy@snazy.de To: Josef Bacik , Jan Kara Cc: Johannes Weiner , Vlastimil Babka , Michal Hocko , "Kirill A. Shutemov" , Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Date: Wed, 06 Nov 2019 18:03:10 +0100 In-Reply-To: <9f6b707c69ceb34e3916b1d47f2e2fa6a4f025ab.camel@gmx.de> References: <20191025135749.GK17610@dhcp22.suse.cz> <20191025140029.GL17610@dhcp22.suse.cz> <20191105182211.GA33242@cmpxchg.org> <20191106120315.GF16085@quack2.suse.cz> <4edf4dea97f6c1e3c7d4fed0e12c3dc6dff7575f.camel@gmx.de> <20191106145608.ucvuwsuyijvkxz22@macbook-pro-91.dhcp.thefacebook.com> <20191106150524.GL16085@quack2.suse.cz> <20191106151429.swqtq2dt4uelhjzn@macbook-pro-91.dhcp.thefacebook.com> <9f6b707c69ceb34e3916b1d47f2e2fa6a4f025ab.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:CO6OVHDAphAzpdeON2DyDlN0DNDvfNBBjl0vWS0Fl5ys175/BtM oEIGiB/sW+wj5915kNPhHjSK4Ll9v/QMTfkLsI7/4bNT3ruvZTs3+SpUxJm0dFR7O7s8Ty0 S9VmHfDK7spIzKMuxiveXyx4hhS5GV/bc24mLXMI8zlgSEfl21n3ygVjTOuCxVFrEB0k17W FCdfP+1hY8ULEcfhwrYnw== X-UI-Out-Filterresults: notjunk:1;V03:K0:faxpn5ZK4iI=:YiOAj8DrU0zyOERP3Z4K+Q jHn6zZlJf4UHxjzNE78LtMENDs15LfQGRYSDxVwVHljgvzIrfzBWz1/PpSxDrTC5enre92Ovv vDzv1nVP4Ls/CmQKTRJXysomnPSYdeUYmeO1mOZiNi+huD1EtT/j5A9vSNTohmpUpcRTmUfes /V6qW5D7pSjJ07cuiLlH/RsmmDwTHkgGSn4rJuE69+KhcK0DJtjIIhz2wf6WCsn7d+Q6F8QX4 qbaoM4ihW8tk95qJiytAql/7l2sa7tfbOYqEN3vpdUJuW7+mTXHI3q+LD5X9XZdJhN35RNcSh Y4bwcxajOZALxLYHKpj02UQq91yG0VuRBWNIEyl6re3V7S+J3wi3rVz8YGxj74Ft4j2LaQojO xftEds4jB/fUnB/C4EZfDQHVpoUBzVufNb+arZoBiZl7lkFlQkPZtj14JXgbSwhKmGyy3hOZV 4nElKlX0S+ISePIitLzjtZbd23c9+F5SeVXQEAMDlpoldXyXOoQz3W8HxTpG22w92wdjiT/pV v4ec508owQzQCS9nJIu2xidOgbgrS4/Zu01+n6mGMuz11boICCGhcaWdEaxoj/Ustnl/CCc0V U0HZCC547BPu5teaHbvqiCA6THshIm15nlFz5cJ2A+dav+dIFgy+/UO51HyVGBEeIQxpZt4f0 Qs9SB13gXlnvJA40rYdfz7nDSVDXqY8/enKaT3qx/t28RaBkw6G8WnnkguA6JEuQFhejRz8P/ Ex+/RB7wlaCa4Hw8dkYSmJWVJWcTXTV76fVO7XUfAbyBDAEP2SfehyPm0RR8UGbvEPJJCzljv 0aKzbeL34sKBPJxIfD8W9JesEAwxUVyF18a9i/jrecc55T0egMdak0/wVeyZUeDxe0jduBAsS smIGcCht1qNIdI4rbHzZHJrWbrodTMD1ZVv5A78pZ+xK4OiYnVj5KJ7aL16tDmqP7T2nGkNq6 S9jw3L+UHXTFexbooyFHsK5Fs5d0LNFKKWTY87NoFrS9rrUAIqecUjiGvq5/IEWl/BCjjfF+c 5LdpvNgD0FmzgcMl7ln8oRr05buxXfw6vZECFkuOBJrS2lq88XFWjs3C/ys8jzqGBvTK3f6P3 k63aghjaPqE4dYvOezlJ8/bedqnAwogYGrOq7jqdNurScej9YZmGOYUUmKAZ5sL3H0H/JcIln ay+CLVXZcsqWDhZoCfGLIG2mVtbJG+hqIg2Td6BSCxieGG3wHnYthNHob0KMHFXYS0bj4yyMh 4g1kjX9NJbXrzvYDcbTO1jdnYJDtYdp07FXHX/Q== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oh, and I just realized, that I have two custom settings in my /etc/rc.local - guess, I configured that when I installed that machine years ago. Sorry, that I haven't mentioned that earlier. echo 0 > /sys/block/nvme0n1/queue/read_ahead_kb echo never > /sys/kernel/mm/transparent_hugepage/defrag That setting is probably not quite standard, but I assume there are some database server setups out there, that set RA=0 as well. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1338C5DF63 for ; Wed, 6 Nov 2019 17:03:23 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7B3152173E for ; Wed, 6 Nov 2019 17:03:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="RCQB+6NM" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B3152173E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 06EFF6B0003; Wed, 6 Nov 2019 12:03:23 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 020756B0008; Wed, 6 Nov 2019 12:03:22 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E511D6B0010; Wed, 6 Nov 2019 12:03:22 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0065.hostedemail.com [216.40.44.65]) by kanga.kvack.org (Postfix) with ESMTP id CE3256B0003 for ; Wed, 6 Nov 2019 12:03:22 -0500 (EST) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 549901EF1 for ; Wed, 6 Nov 2019 17:03:22 +0000 (UTC) X-FDA: 76126473444.11.rate11_74a2f4b4eaf1d X-HE-Tag: rate11_74a2f4b4eaf1d X-Filterd-Recvd-Size: 4445 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) by imf29.hostedemail.com (Postfix) with ESMTP for ; Wed, 6 Nov 2019 17:03:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1573059793; bh=DXiFHcDw6sm/LXNoMrhS8D2YEJLpr2IJCcrUXxItYpI=; h=X-UI-Sender-Class:Subject:From:Reply-To:To:Cc:Date:In-Reply-To: References; b=RCQB+6NMv5g9ZdYK5Iz/40FbLE3/cceoFtn5ztQCmHG0B+NRRL1dT7o3NzTkNwUK6 AggznjXfZxCHAYeD/lZcA0rYw3nlrbqD107nrCMbhZMO+6jKrsilJxicLvtm6UvTUq f4puFjvXN6rIukJgTUEu/iRUua8oysYnb0XjR6Gs= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from bear.fritz.box ([80.128.101.49]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1Mlf4S-1i1HN52O9a-00ioUh; Wed, 06 Nov 2019 18:03:13 +0100 Message-ID: <94c71621a0245db763db9e289286b79056cc9bc5.camel@gmx.de> Subject: Re: mlockall(MCL_CURRENT) blocking infinitely From: Robert Stupp Reply-To: snazy@snazy.de To: Josef Bacik , Jan Kara Cc: Johannes Weiner , Vlastimil Babka , Michal Hocko , "Kirill A. Shutemov" , Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Date: Wed, 06 Nov 2019 18:03:10 +0100 In-Reply-To: <9f6b707c69ceb34e3916b1d47f2e2fa6a4f025ab.camel@gmx.de> References: <20191025135749.GK17610@dhcp22.suse.cz> <20191025140029.GL17610@dhcp22.suse.cz> <20191105182211.GA33242@cmpxchg.org> <20191106120315.GF16085@quack2.suse.cz> <4edf4dea97f6c1e3c7d4fed0e12c3dc6dff7575f.camel@gmx.de> <20191106145608.ucvuwsuyijvkxz22@macbook-pro-91.dhcp.thefacebook.com> <20191106150524.GL16085@quack2.suse.cz> <20191106151429.swqtq2dt4uelhjzn@macbook-pro-91.dhcp.thefacebook.com> <9f6b707c69ceb34e3916b1d47f2e2fa6a4f025ab.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.1-2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:CO6OVHDAphAzpdeON2DyDlN0DNDvfNBBjl0vWS0Fl5ys175/BtM oEIGiB/sW+wj5915kNPhHjSK4Ll9v/QMTfkLsI7/4bNT3ruvZTs3+SpUxJm0dFR7O7s8Ty0 S9VmHfDK7spIzKMuxiveXyx4hhS5GV/bc24mLXMI8zlgSEfl21n3ygVjTOuCxVFrEB0k17W FCdfP+1hY8ULEcfhwrYnw== X-UI-Out-Filterresults: notjunk:1;V03:K0:faxpn5ZK4iI=:YiOAj8DrU0zyOERP3Z4K+Q jHn6zZlJf4UHxjzNE78LtMENDs15LfQGRYSDxVwVHljgvzIrfzBWz1/PpSxDrTC5enre92Ovv vDzv1nVP4Ls/CmQKTRJXysomnPSYdeUYmeO1mOZiNi+huD1EtT/j5A9vSNTohmpUpcRTmUfes /V6qW5D7pSjJ07cuiLlH/RsmmDwTHkgGSn4rJuE69+KhcK0DJtjIIhz2wf6WCsn7d+Q6F8QX4 qbaoM4ihW8tk95qJiytAql/7l2sa7tfbOYqEN3vpdUJuW7+mTXHI3q+LD5X9XZdJhN35RNcSh Y4bwcxajOZALxLYHKpj02UQq91yG0VuRBWNIEyl6re3V7S+J3wi3rVz8YGxj74Ft4j2LaQojO xftEds4jB/fUnB/C4EZfDQHVpoUBzVufNb+arZoBiZl7lkFlQkPZtj14JXgbSwhKmGyy3hOZV 4nElKlX0S+ISePIitLzjtZbd23c9+F5SeVXQEAMDlpoldXyXOoQz3W8HxTpG22w92wdjiT/pV v4ec508owQzQCS9nJIu2xidOgbgrS4/Zu01+n6mGMuz11boICCGhcaWdEaxoj/Ustnl/CCc0V U0HZCC547BPu5teaHbvqiCA6THshIm15nlFz5cJ2A+dav+dIFgy+/UO51HyVGBEeIQxpZt4f0 Qs9SB13gXlnvJA40rYdfz7nDSVDXqY8/enKaT3qx/t28RaBkw6G8WnnkguA6JEuQFhejRz8P/ Ex+/RB7wlaCa4Hw8dkYSmJWVJWcTXTV76fVO7XUfAbyBDAEP2SfehyPm0RR8UGbvEPJJCzljv 0aKzbeL34sKBPJxIfD8W9JesEAwxUVyF18a9i/jrecc55T0egMdak0/wVeyZUeDxe0jduBAsS smIGcCht1qNIdI4rbHzZHJrWbrodTMD1ZVv5A78pZ+xK4OiYnVj5KJ7aL16tDmqP7T2nGkNq6 S9jw3L+UHXTFexbooyFHsK5Fs5d0LNFKKWTY87NoFrS9rrUAIqecUjiGvq5/IEWl/BCjjfF+c 5LdpvNgD0FmzgcMl7ln8oRr05buxXfw6vZECFkuOBJrS2lq88XFWjs3C/ys8jzqGBvTK3f6P3 k63aghjaPqE4dYvOezlJ8/bedqnAwogYGrOq7jqdNurScej9YZmGOYUUmKAZ5sL3H0H/JcIln ay+CLVXZcsqWDhZoCfGLIG2mVtbJG+hqIg2Td6BSCxieGG3wHnYthNHob0KMHFXYS0bj4yyMh 4g1kjX9NJbXrzvYDcbTO1jdnYJDtYdp07FXHX/Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Oh, and I just realized, that I have two custom settings in my /etc/rc.local - guess, I configured that when I installed that machine years ago. Sorry, that I haven't mentioned that earlier. echo 0 > /sys/block/nvme0n1/queue/read_ahead_kb echo never > /sys/kernel/mm/transparent_hugepage/defrag That setting is probably not quite standard, but I assume there are some database server setups out there, that set RA=0 as well.