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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 477D2C5ACC4 for ; Wed, 19 Feb 2020 22:46:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 02BBB20656 for ; Wed, 19 Feb 2020 22:46:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ltQz84nD" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 02BBB20656 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 758456B000A; Wed, 19 Feb 2020 17:46:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 709356B000C; Wed, 19 Feb 2020 17:46:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5AAE46B000D; Wed, 19 Feb 2020 17:46:39 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0106.hostedemail.com [216.40.44.106]) by kanga.kvack.org (Postfix) with ESMTP id 3EE4A6B000A for ; Wed, 19 Feb 2020 17:46:39 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 179C6282A for ; Wed, 19 Feb 2020 22:46:39 +0000 (UTC) X-FDA: 76508362518.17.slip24_3a060fd661e31 X-HE-Tag: slip24_3a060fd661e31 X-Filterd-Recvd-Size: 2337 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf34.hostedemail.com (Postfix) with ESMTP for ; Wed, 19 Feb 2020 22:46:38 +0000 (UTC) Received: from X1 (nat-ab2241.sltdut.senawave.net [162.218.216.4]) (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 8941F20656; Wed, 19 Feb 2020 22:46:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582152397; bh=xNrCTScVPB2EePFskQOCOJ+qLPIRKPCC0DcEJJOeTdw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ltQz84nDtg/ABY4GGS30A/JlZnpT27T3iFrv9TVrMJq6rAiARYkBxXj/dGk6RGUWn LKp2YBmrN6J3UCyaa5cwtmWmUust/OPCnZ0h8LVKmFNbdP2LSq2b4HTbS3slTSJADH d2eiMxf7qSXtTkR644yjXgkAwx277VK4pbqz33iA= Date: Wed, 19 Feb 2020 14:46:35 -0800 From: Andrew Morton To: Song Liu , dennis.lissov@gmail.com Cc: bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org Subject: Re: [Bug 206569] BUG at mm/filemap.c:2529: VM_BUG_ON_PAGE(page_to_pgoff(page) != offset) Message-Id: <20200219144635.3b7417145de19b65f258c943@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Wed, 19 Feb 2020 21:33:32 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=206569 > > --- Comment #1 from Denis Lisov (dennis.lissov@gmail.com) --- > Upd. Double-checking my kernel settings I found that I've accidentally enabled > experimental CONFIG_READ_ONLY_THP_FOR_FS - may be related to that. > > In my new kernel build the problem failed to reproduce (I've disabled > CONFIG_READ_ONLY_THP_FOR_FS, CONFIG_KSM and switched from > CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS to CONFIG_TRANSPARENT_HUGEPAGE_MADVISE - > sorry for multiple changes). Thanks. Song Liu, could you please take a look?