Received: by 2002:a25:d7c1:0:0:0:0:0 with SMTP id o184csp4096504ybg; Fri, 25 Oct 2019 13:16:08 -0700 (PDT) X-Google-Smtp-Source: APXvYqz8m7Ml+eeYsSy8rYUrUklXJzp4DzO2ZvLLUdf91npQMfr453WB6Zt7ZBqFgmWFj23gT++c X-Received: by 2002:a50:9b10:: with SMTP id o16mr3094958edi.117.1572034568419; Fri, 25 Oct 2019 13:16:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572034568; cv=none; d=google.com; s=arc-20160816; b=ya2gOVRaohfkCkjO9Y2GTCFNsF1twM6uJhmJRiAv7bjKhw+9z5qTTyBi3KNZ6+RIAX 8wYVMtI2SDU+Fb+qYUaOS9INXsFOY65JizVZYelijHaA58W5jHFr6EWTrnsN/t7C/i5V 6WzOH6T4HQX8KCVdxdfxSjr46gRsRaBMOdNPrGjt9tTj//OZk0Mr4NiUncfs0K7qPCxg bQL6kba5HuBclx/6OYQukpoxqUE3jF2gvooO34yopjJZFsNzsuInsCUeD/LCw3lfGfB4 5ZBVZ2yr2kcXAyb5wlPbQLdiee9nSh7L95ALaDwx329shnJ5nKlZsUmtvvFxIq1dafML Doqw== 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=UUxHUcko3RQgXiLsl0lCHjPGKvFAA8lbXwKpkqIryPU=; b=DWjaPrUjMSW4cBQ07uEHmtEDongnWEZkqar3dRhyaMFcLyvYsRQZ0XUP7yuJXLY8Jf Y0cQSlrzlSOhl8EuQSwKVLFBbRTI741C00AH2dR9JHzPMmTkTjEoT6wJd3H8By2wDJP9 BeJnBadK6Bpei+mu+yHH95NMHJ/5T0zY6dcmm2RNEULQy3Re7GSwSad7pKXP6Y9zUliH 7iuLkTz4NELk1smu0fkHWn5qic9HRx40BoxvpWZ8k5A/x93ZgarP0l1OiZIHV7qdxDIm dUelqbhtaPaEy5/y9pr85oWYrG1t6Cv/q/ixkjnrSNiGxOGZHHV1CRnEZYf4yt/HuGdZ 5w0w== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id r12si2479180edi.272.2019.10.25.13.15.45; Fri, 25 Oct 2019 13:16:08 -0700 (PDT) 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394620AbfJYN1D (ORCPT + 99 others); Fri, 25 Oct 2019 09:27:03 -0400 Received: from mx2.suse.de ([195.135.220.15]:50466 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726259AbfJYN1C (ORCPT ); Fri, 25 Oct 2019 09:27:02 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 1D5D0AD3A; Fri, 25 Oct 2019 13:27:01 +0000 (UTC) Date: Fri, 25 Oct 2019 15:27:00 +0200 From: Michal Hocko To: snazy@snazy.de Cc: Randy Dunlap , linux-kernel@vger.kernel.org, Linux MM , Andrew Morton , "Potyra, Stefan" Subject: Re: mlockall(MCL_CURRENT) blocking infinitely Message-ID: <20191025132700.GJ17610@dhcp22.suse.cz> References: <4576b336-66e6-e2bb-cd6a-51300ed74ab8@snazy.de> <20191025092143.GE658@dhcp22.suse.cz> <70393308155182714dcb7485fdd6025c1fa59421.camel@gmx.de> <20191025114633.GE17610@dhcp22.suse.cz> <20191025120505.GG17610@dhcp22.suse.cz> <20191025121104.GH17610@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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 Fri 25-10-19 15:10:39, Robert Stupp wrote: [...] > cat /proc/$(pidof test)/smaps Nothing really unusual that would jump at me except for > 7f8be90ed000-7f8be9265000 r-xp 00025000 103:02 > 44307431 /lib/x86_64-linux-gnu/libc-2.30.so > Size: 1504 kB > KernelPageSize: 4 kB > MMUPageSize: 4 kB > Rss: 832 kB > Pss: 5 kB > Shared_Clean: 832 kB > Shared_Dirty: 0 kB > Private_Clean: 0 kB > Private_Dirty: 0 kB > Referenced: 832 kB > Anonymous: 0 kB > LazyFree: 0 kB > AnonHugePages: 0 kB > ShmemPmdMapped: 0 kB > Shared_Hugetlb: 0 kB > Private_Hugetlb: 0 kB > Swap: 0 kB > SwapPss: 0 kB > Locked: 5 kB Huh, 5kB, is this really the case or some copy&paste error? How can we end up with !pagesize multiple here? > THPeligible: 0 > VmFlags: rd ex mr mw me lo sd -- Michal Hocko SUSE Labs