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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C213EC433EF for ; Sun, 19 Sep 2021 22:40:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A87AA61051 for ; Sun, 19 Sep 2021 22:40:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232199AbhISWl3 (ORCPT ); Sun, 19 Sep 2021 18:41:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:59830 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230165AbhISWl1 (ORCPT ); Sun, 19 Sep 2021 18:41:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9E8EA60C51; Sun, 19 Sep 2021 22:40:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1632091202; bh=GuEk0gNS4MnI/zqtpKABR7rKjnbnL6OqyGpa++pLW4w=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gya7g2DehzyQg8knIIoM8bOAse/WVChb3od20NpjLg5Coy9nArtY5oC0/CpE/Ou7D ZAWJYU6/MdUVjM5vhHnEgOX4hJhY7oCxRhw2/mq3dplsZXTWNMgTkEb5a7wZngCNZH xdJ+W9VXP2NMBrBYpP2hBsuEqe+tboFW+UFgKGpQ= Date: Sun, 19 Sep 2021 15:40:00 -0700 From: Andrew Morton To: Sultan Alsawaf Cc: Michal Hocko , David Rientjes , Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: Mark the OOM reaper thread as freezable Message-Id: <20210919154000.2dbd44c146c18e65d5dbce37@linux-foundation.org> In-Reply-To: <20210918233920.9174-1-sultan@kerneltoast.com> References: <20210918233920.9174-1-sultan@kerneltoast.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 18 Sep 2021 16:39:20 -0700 Sultan Alsawaf wrote: > The OOM reaper thread uses wait_event_freezable() without actually being > marked as freezable. Fix it by adding a set_freezable() call. Oh. What are the runtime effects of this defect?