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=-6.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 67D7EC433DB for ; Tue, 12 Jan 2021 05:25:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id EBDD022CBE for ; Tue, 12 Jan 2021 05:25:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EBDD022CBE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4BA496B0152; Tue, 12 Jan 2021 00:25:20 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 46B066B0194; Tue, 12 Jan 2021 00:25:20 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 382616B0197; Tue, 12 Jan 2021 00:25:20 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0044.hostedemail.com [216.40.44.44]) by kanga.kvack.org (Postfix) with ESMTP id 1F8DE6B0152 for ; Tue, 12 Jan 2021 00:25:20 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id D28F5180AD806 for ; Tue, 12 Jan 2021 05:25:19 +0000 (UTC) X-FDA: 77695984758.21.cast16_360c20d27512 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin21.hostedemail.com (Postfix) with ESMTP id B89AC180442C2 for ; Tue, 12 Jan 2021 05:25:19 +0000 (UTC) X-HE-Tag: cast16_360c20d27512 X-Filterd-Recvd-Size: 2714 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf38.hostedemail.com (Postfix) with ESMTP for ; Tue, 12 Jan 2021 05:25:19 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 0B70C22CB1; Tue, 12 Jan 2021 05:25:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610429118; bh=uvDTU8FaU7yOkfe2pGLwnjQMQD4oR9HYmVqal4l7F9M=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YUWeUizltAb6WC6hTZu2VOz1v1fhKG+iqNO9l0CkRbiLuKE7pWggL6iKf12+AE5fs 4DhYlvrKJV2wGOP7Qsu/PGo2/2hM1fvuAaB9L1rRReWCRqxxfLSSeWPb5wO9sU2VUs YW/R5PySDsru3JP5DcVGbbUNF7/r9WZa/aVWqr3Bsgn+sO1vmW0BG0g+5d7Fz2+dPu IZ8R9A6LfY5nZcCuj8sf2Wbzy2E/QwFz1gGw5w6BJRaO+WmBxfOOZYlyUYCtRZeuzw UKLr/FTqiTOoFPJDn1uK/a/8XkHxsUgOFnTn55w55uB9x8zgTJU0Yf3Q40BsnUYFoV oCpoKGej+yY8w== Date: Tue, 12 Jan 2021 07:25:08 +0200 From: Mike Rapoport To: Andrew Morton Cc: Andrea Arcangeli , Baoquan He , Borislav Petkov , David Hildenbrand , "H. Peter Anvin" , Ingo Molnar , Mel Gorman , Michal Hocko , Mike Rapoport , Qian Cai , Thomas Gleixner , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org Subject: Re: [PATCH v3 0/2] mm: fix initialization of struct page for holes in memory layout Message-ID: <20210112052508.GF1106298@kernel.org> References: <20210111194017.22696-1-rppt@kernel.org> <20210111165801.ef35b01b15132d5513b2f3ce@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210111165801.ef35b01b15132d5513b2f3ce@linux-foundation.org> 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 Mon, Jan 11, 2021 at 04:58:01PM -0800, Andrew Morton wrote: > On Mon, 11 Jan 2021 21:40:15 +0200 Mike Rapoport wrote: > > > Commit 73a6e474cb37 ("mm: memmap_init: iterate over > > memblock regions rather that check each PFN") exposed several issues with > > the memory map initialization and these patches fix those issues. > > > > Initially there were crashes during compaction that Qian Cai reported back > > in April [1]. It seemed back then that the problem was fixed, but a few > > weeks ago Andrea Arcangeli hit the same bug [2] and there was an additional > > discussion at [3]. > > The earlier version of these fixes had cc:stable. Was the omission > this time deliberate? Nope, it was accidental. Thanks for noticing. -- Sincerely yours, Mike.