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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 83169C433E2 for ; Thu, 10 Sep 2020 21:03:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1CBC621D90 for ; Thu, 10 Sep 2020 21:03:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="niIsVsui" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727977AbgIJVDW (ORCPT ); Thu, 10 Sep 2020 17:03:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731137AbgIJOiW (ORCPT ); Thu, 10 Sep 2020 10:38:22 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07990C061757 for ; Thu, 10 Sep 2020 07:38:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=339zgSxlL+lIOBUMV+vGyrR7HJ2OP+EpscMBIaERCsY=; b=niIsVsuiYZMuYDebocCko43GH3 LC64ZGy+0bUGrsPvvsP3UEJNNEXjW/tbm/G9dCIXBWLdrDvOkvIVLbDltd/BPSRb1cNi/OKMYwmm7 c/KTpVxtAaAnna5TBi4EngQofZQqeSgoEPKLeEbrkoPo5tTDn96HGk0sxeNNfZhXwX6tre49kryBz 7M6YInC/k0vrSEdVlX872vrkIaJdWe7lFlwL/W40CGs8jGfUCuQfuGo+rD2odj5sSt+T+Yo5G9m2b QcN1o2X9qP0FA+RY1urVRC9JIJMzCNYFSlRUM88u+9ongnLQQfJ06/7mRhG9J9yKFvb5xyqyVJrQv zVaH+HsA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kGNhq-00067N-5M; Thu, 10 Sep 2020 14:37:46 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 44FE4305C10; Thu, 10 Sep 2020 16:37:45 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2E03824C0EAEA; Thu, 10 Sep 2020 16:37:45 +0200 (CEST) Date: Thu, 10 Sep 2020 16:37:45 +0200 From: peterz@infradead.org To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, anna-maria@linutronix.de, vbabka@suse.cz, mgorman@techsingularity.net, mhocko@suse.com, linux-mm@kvack.org Subject: Re: kcompactd hotplug fail Message-ID: <20200910143745.GE35926@hirez.programming.kicks-ass.net> References: <20200910141006.GA1362448@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200910141006.GA1362448@hirez.programming.kicks-ass.net> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 10, 2020 at 04:10:06PM +0200, peterz@infradead.org wrote: > Hi, > > While playing with hotplug, I ran into the below: Ah, it could be I wrecked my kernel bad... :-( I'll let you know if I can reproduce this on a pristine kernel.