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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 EC4C7C04AAC for ; Mon, 20 May 2019 11:05:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B29FF20862 for ; Mon, 20 May 2019 11:05:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558350312; bh=VwQSMr5Rvx+iTC5OoVTUamKLhLW6uSee5o3V25yr4TY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=XGaGiE1w9fLaMNoN42d3gjeHE5Sd9YBWPNHr9v2pPx8eu5D0xgXlsFDYFIs46ZgOs 1LKmQSCsFqCUoauIf+to3i7xL1vmvwNgdbFAyIzZ0w5bJkXwoQsdbJmRnVN2yeRPyD YJPb2VOu4CgXwgvnW/edWELKeSnQbU6FUXlwVgYo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732302AbfETLFL (ORCPT ); Mon, 20 May 2019 07:05:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:58090 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732235AbfETLFL (ORCPT ); Mon, 20 May 2019 07:05:11 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 41B2A206B6; Mon, 20 May 2019 11:05:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558350310; bh=VwQSMr5Rvx+iTC5OoVTUamKLhLW6uSee5o3V25yr4TY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fF9P8PNhrc6oWUssYT1FD3oqgs7I5ECIp9YF3zNo77k9bLGVbFI+SbCOjbHjn9Syf zeb2/LeLpac4nqYDKzrZFfOByIPFnWqxIFvvn7A/RBJ1m8X1IJ67qBnOT2m3wJuWOn LA7yOl3IQbLmLAAdWusF0cdD9LkXYGrJmYLpogGo= Date: Mon, 20 May 2019 13:05:08 +0200 From: Greg Kroah-Hartman To: Matthew Wilcox Cc: Lech Perczak , Al Viro , Eric Dumazet , "linux-kernel@vger.kernel.org" , Piotr Figiel , Krzysztof =?utf-8?Q?Drobi=C5=84ski?= , Pawel Lenkow , "linux-mm@kvack.org" Subject: Re: Recurring warning in page_copy_sane (inside copy_page_to_iter) when running stress tests involving drop_caches Message-ID: <20190520110508.GA20211@kroah.com> References: <14c9e6f4-3fb8-ca22-91cc-6970f1d52265@camlintechnologies.com> <011a16e4-6aff-104c-a19b-d2bd11caba99@camlintechnologies.com> <20190515144352.GC31704@bombadil.infradead.org> <20190515150406.GA22540@kroah.com> <20190515152035.GE31704@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190515152035.GE31704@bombadil.infradead.org> User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 15, 2019 at 08:20:35AM -0700, Matthew Wilcox wrote: > On Wed, May 15, 2019 at 05:04:06PM +0200, Greg Kroah-Hartman wrote: > > > Greg, can you consider 6daef95b8c914866a46247232a048447fff97279 for > > > backporting to stable? Nobody realised it was a bugfix at the time it > > > went in. I suspect there aren't too many of us running HIGHMEM kernels > > > any more. > > > > > > > Sure, what kernel version(s) should this go to? 4.19 and newer? > > Looks like the problem was introduced with commit > a90bcb86ae700c12432446c4aa1819e7b8e172ec so 4.14 and newer, I think. Thanks, now queued up. greg k-h