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 DCF29C43461 for ; Thu, 10 Sep 2020 15:11:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 41A77208A9 for ; Thu, 10 Sep 2020 15:11:27 +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="hi70TzZF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41A77208A9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C06B46B0037; Thu, 10 Sep 2020 11:11:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id BDD3B8E0005; Thu, 10 Sep 2020 11:11:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ACBD16B0062; Thu, 10 Sep 2020 11:11:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0019.hostedemail.com [216.40.44.19]) by kanga.kvack.org (Postfix) with ESMTP id 971896B0037 for ; Thu, 10 Sep 2020 11:11:26 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 28CE93621 for ; Thu, 10 Sep 2020 15:11:26 +0000 (UTC) X-FDA: 77247490572.15.week36_5111e2a270e7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id E3C571814B0C7 for ; Thu, 10 Sep 2020 15:11:25 +0000 (UTC) X-HE-Tag: week36_5111e2a270e7 X-Filterd-Recvd-Size: 2627 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf48.hostedemail.com (Postfix) with ESMTP for ; Thu, 10 Sep 2020 15:11:25 +0000 (UTC) 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=carJyeF/DQ7x8PMcqrq+bkt1/xRqTM2W/ttF2nvAfHs=; b=hi70TzZFP012Zg3sUOsuFg1wn8 U+yznKpZwdVBZ4gK29aRMMjaI76rnCteGRjqKCRoMMM0S4hN1zGSFZProkWh4GGqNFajfxWf0a3rb TnA4rhrQowWRL/y63Rs8QuixYYbUGMwkNIP7SmQ4XgNzq/MezqxdSMsLNlwv5T2spGOtpX7vn++dw qx4BvrEEaanp2I5+qvl8lk0siibwK9ooBkh7r2LX1mjIrtAOH5me41jepBS8hZul7F0iqGZj/mb9z T77LUA3EppRU6x+4/R25q4l7NgQ9AKD+QUq6bRIf7CFYyTn2ganUaqCzyTn0iRST9L6dNKiDoL7yv dvQu5rew==; 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 1kGNu1-0007Ao-18; Thu, 10 Sep 2020 14:50:21 +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 AD4CE3012DC; Thu, 10 Sep 2020 16:50:18 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 9FD362B7765C0; Thu, 10 Sep 2020 16:50:18 +0200 (CEST) Date: Thu, 10 Sep 2020 16:50:18 +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: <20200910145018.GF35926@hirez.programming.kicks-ass.net> References: <20200910141006.GA1362448@hirez.programming.kicks-ass.net> <20200910143745.GE35926@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200910143745.GE35926@hirez.programming.kicks-ass.net> X-Rspamd-Queue-Id: E3C571814B0C7 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Sep 10, 2020 at 04:37:45PM +0200, peterz@infradead.org wrote: > 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. Yeah, sorry, I'll go search for one of them brown-paper things to wear.