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 A6C4CC433E0 for ; Tue, 12 Jan 2021 05:26:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5DA4722CB1 for ; Tue, 12 Jan 2021 05:26:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388618AbhALFZ7 (ORCPT ); Tue, 12 Jan 2021 00:25:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:45106 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388269AbhALFZ6 (ORCPT ); Tue, 12 Jan 2021 00:25:58 -0500 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> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.