Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp291763imu; Thu, 10 Jan 2019 23:59:55 -0800 (PST) X-Google-Smtp-Source: ALg8bN6lT7KhsrWVzOsW4q4el5fAeZ1v0h6n59Kc9LCz6Ad9cvLiV6qO0DLksHuthG7SXWjS+yOI X-Received: by 2002:a63:e915:: with SMTP id i21mr12179595pgh.409.1547193595614; Thu, 10 Jan 2019 23:59:55 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1547193595; cv=none; d=google.com; s=arc-20160816; b=fnxJtEDMrOEXikKx5yaAPKIXvB2ipuimaOwXM2j/CRDtQiz460oPjgA5GvDr6FZZhV BqQOs64ENhmtAdW6f6v5zMXSjQ0aUMxynOZnLcsEm2q89yQRfPqGI1wbXQWHjy3GsaHG w39Q+h8Ngxy+BUXFVgdGsZnVSrEiC3W4kTGsAKx0vqJzkk+jZxJzWc/CFShDGIUQPYt4 YH65Stda3ABrOufYz8logaIH52RoBy65i5hNuP9b9w1NEJl6vTJvFg2aoX+EmN6HP0Jv F4/j813H2MK8YJt/L0Q41NDNYbirX58ZSyEGSxe2djpG3l5uRdJXS8oROsRZSZPS6Oum VqZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:dkim-signature; bh=drVmu7u72mZbwPZTv+YQ+a/m5Rp18iSQS+LmOtoNQQU=; b=FGhm4X5c8e5KZlnxq2QxOsmWQdBXrBAYJ92GyKgtnbVvxILPIxwKRNJtACO355vSqT 7G1qlzHNan8MHHzu6itmk5EF3M55UGaJJWJxXA8HqL8Oato7A3ITgdz1q3+kdx38eL3x 4G6iL5I7Cv7InkGwsyqEhadP3TUrc4Oq0EHoUBcVjtQs7RkhMncy8QIALH15Cmm7yqWl s1cW93LG0U0MIXe3L7QHKF98S2dW+jGBaRcspq2GRPQDkGC5DBvzO6v8tkh+zCUqGW1R gzbwSe2Kmwx3GZNA5WWcoDDC+nwCVCqSVNPf0tLqau5Tq9VO6Tmlw3IXYX9HOBma7QaQ fS7A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=K4Knyoes; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y1si15424964pgy.174.2019.01.10.23.59.39; Thu, 10 Jan 2019 23:59:55 -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; dkim=pass header.i=@gmail.com header.s=20161025 header.b=K4Knyoes; 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=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725788AbfAKHFy (ORCPT + 99 others); Fri, 11 Jan 2019 02:05:54 -0500 Received: from mail-qt1-f195.google.com ([209.85.160.195]:33329 "EHLO mail-qt1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725267AbfAKHFy (ORCPT ); Fri, 11 Jan 2019 02:05:54 -0500 Received: by mail-qt1-f195.google.com with SMTP id l11so17483621qtp.0 for ; Thu, 10 Jan 2019 23:05:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=drVmu7u72mZbwPZTv+YQ+a/m5Rp18iSQS+LmOtoNQQU=; b=K4Knyoes6ht3uJSIxVILfe/dnrW0sxQZGdCrPcunQf9Pe7FN84/BRJYzF0y/T4JkFl OhrxWusujuqRZ2VMqUIiCelpq6gWI3VlWYJW+GK2DaAoXAEnZlukDKGqpm0I4LL+6hIx wnGcNePg5DFrcclztf6Rygiabxvl+bUtMT0DCMF59/9agHMmNw2A3SiYAfhxAiTq3S45 CwLnEkR8exRIu201xPd4T/fO8pJ4IU4dk3N/NstXwd5SnMvrkJSedosU24cCpNNCB69U eidp+LeSK2BFCtLgBDIgk+dhgtXG2WETqlKas2XDsHKclBIStff0ajHWJOj67ENyRDID 0bLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=drVmu7u72mZbwPZTv+YQ+a/m5Rp18iSQS+LmOtoNQQU=; b=im8Hnkq0nkOOEyxHmtw0LEZNASNXaccQYJKTAja6WqD9A2Ku6iggToqes/TfEtGUNV d2598fWtRHOo/FvZiBFAb//LsNEXQVUIVYTZNlAhhj+WbRWZAvzJMxkXgJFA592La2j5 21SWwbCvW7iijMOt+EuqkCCsnHzK/9Ra7iQnDR9PFsRAPPTzmBm/ZyiqkQRWjV5tZ25f Jr5rnIWR4PiHCnLto385/1/DiSqgiAQMIONBNUb97WnUZTmrluLozUrdQtfq3Vgi2POM lWScG0ainGo+udbUYQ6QpT7FJb4FSdY+HIiaJsjQHcMThBYp2NzBqj4pEOA66rCcZXkp bmeA== X-Gm-Message-State: AJcUuke9X78lC6NLAJC49mEATsyrGGZORPZO0SXlGNNtK2lAyGuG95+w IvnDraZEUd57+lDxmcaSuEQKgvxns785rmpXC6A= X-Received: by 2002:ac8:1:: with SMTP id a1mr12531257qtg.366.1547190352721; Thu, 10 Jan 2019 23:05:52 -0800 (PST) MIME-Version: 1.0 References: <20190107095229.uvfuxpglreibxlo4@mbp> In-Reply-To: <20190107095229.uvfuxpglreibxlo4@mbp> From: Nathan Royce Date: Fri, 11 Jan 2019 01:05:41 -0600 Message-ID: Subject: Re: kmemleak: Cannot allocate a kmemleak_object structure - Kernel 4.19.13 To: Catalin Marinas Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org One more thought that may be nothing, but when kmemleak crashed, SUnreclaim was at 932552 kB, and after reclaimed/cleared 299840 kB. There weren't any performance issues like when I had a leak of 5.5 gB in the 4.18 kernel. On Mon, Jan 7, 2019 at 3:52 AM Catalin Marinas wrote: > > Under memory pressure, kmemleak may fail to allocate memory. See this > patch for an attempt to slightly improve things but it's not a proper > solution: > > http://lkml.kernel.org/r/20190102180619.12392-1-cai@lca.pw > > -- > Catalin