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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 615CECA9EBD for ; Fri, 25 Oct 2019 13:27:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 324CC21D7F for ; Fri, 25 Oct 2019 13:27:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572010024; bh=wWtJyuS7Y6pDd2zj78ezeFYBGJ+IyV5IyE4gOB6/Cck=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=KkNjkIM6nGU8g1yqGfiPILsvR93K2ivwzbc93FUIVJg3h59Hvtk1jK3YO8gwg9Tw9 tYojvQgyztth6fGVRtgdxI1Xax9P8xLtyxgWH5KYE29IK8A0FgMh+cuMPIV73ASx4X eFvra5CyLU4MQxy6n5CoqBrKtLTnNU4sKUTQRytM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394624AbfJYN1D (ORCPT ); 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