Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp990007ybg; Mon, 1 Jun 2020 21:18:33 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx69QhDOejsy8hk10MVPsNe2AO7DZv62INbzjszHrDE/kzTxUeqj4q7fRa5xIUgnweyjLvr X-Received: by 2002:a50:8707:: with SMTP id i7mr24231319edb.180.1591071513399; Mon, 01 Jun 2020 21:18:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591071513; cv=none; d=google.com; s=arc-20160816; b=0/0tgWukuthjdDNQBpt4F+Cfr6ZhsN0KsQfbbfY3pg9OdmxpQLNH+PVN2PyBJDZzJY 9rEWr9sOE7PdhNI3fyR5FRzznvt364HzKhS+sWrahneXjyPnlg5Tz6nYfnkqk9MajFst fI4qUy2KZo9Fz22DVXr45g3MCR0tZKAUrOwg20OxHTuPNtWZU8MCFN6LVQYsGKsI14+4 FYiVNvmr6xLkK50UyXtW2ESIJhIFHJjEmJyBzLReXlnV6fpXqaqY4bkwZuGwNQcsXKhj EyVlWhM0EhQZ0cYzOf362ZFP8sI5eI1OILqBhfc1bqD9X8DwjaU2Ndn4LTve0jhs0bM9 W8cw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :dkim-signature; bh=WRqm2lsnI1KzaGBXl1+TuoJhcuKWeMyjbWFeacov+5c=; b=HiwHYCxZ2ppYPGeFiTQ/ybSBtV1spblTBIbWwayizMyNmI/R6jza9WeBVtMLgPYsxE SL4snUIPSbStSO4fNgQMpKpVm+oTbJkn+OBkV7vfq1FTJ5AFeoCVrdX0mzTH+Y9Uw9Qd Nk7hf5tQ8zlkCAyB1CvLRnNyOwnvEu/bknFs7Qa/4aZE/CSDfnoufmzUBMgXsSRO3oLr IjvZPy14edvMjMtpmIjPHU2NN8o/cWUac0W8BF95Whjczk+AhIfW/wscYG3fqZGehugR ZCOeg3tshOwJqrDblOL8FURsg2NRa8rSE7aW587LTTnIMiw/NeEpM4JRouL4iIx0A0P3 kxhg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=Ef2OorvJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dd21si736984edb.472.2020.06.01.21.18.11; Mon, 01 Jun 2020 21:18:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=Ef2OorvJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726185AbgFBEN3 (ORCPT + 99 others); Tue, 2 Jun 2020 00:13:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:48940 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbgFBEN3 (ORCPT ); Tue, 2 Jun 2020 00:13:29 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 53DD4206F1; Tue, 2 Jun 2020 04:13:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591071207; bh=WRqm2lsnI1KzaGBXl1+TuoJhcuKWeMyjbWFeacov+5c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Ef2OorvJBpLzv02TECmUVV1crdNvOQeMy5XRVPoOO0CllbC62Lxr1i7hHU2zpSZ4s KPVV7prX/kBb2SA0etLuYn8BPwdGGudNqByHZ9bmC34f+ee4Yy/XwlvBU7su1s3rMi zk0ICFhpYNbAfrBOhfneHa1W9gj/bgZFM3Xk1lOk= Date: Mon, 1 Jun 2020 21:13:26 -0700 From: Andrew Morton To: Hugh Dickins Cc: Konstantin Khlebnikov , Vlastimil Babka , David Rientjes , "Kirill A. Shutemov" , Alex Shi , Johannes Weiner , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] mm/compaction: avoid VM_BUG_ON(PageSlab()) in page_mapcount() Message-Id: <20200601211326.8ea8dd37230b28022fd5581e@linux-foundation.org> In-Reply-To: References: <158937872515.474360.5066096871639561424.stgit@buzz> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 1 Jun 2020 21:05:25 -0700 (PDT) Hugh Dickins wrote: > Andrew, I've noticed that this buggy > mm-compaction-avoid-vm_bug_onpageslab-in-page_mapcount.patch > was still in Friday's mmotm 2020-05-29-16-09, despite its replacement > 6988f31d558a ("mm: remove VM_BUG_ON(PageSlab()) from page_mapcount()") > getting into 5.7, thanks to your "incoming" to Linus on that day. Thanks, gone.