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,URIBL_BLOCKED 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 ACF0EC5DF64 for ; Wed, 6 Nov 2019 03:49:50 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5E64221D6C for ; Wed, 6 Nov 2019 03:49:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Bxlc+ypg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E64221D6C 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 0C6B46B0007; Tue, 5 Nov 2019 22:49:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 077C46B0008; Tue, 5 Nov 2019 22:49:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ECFB26B000A; Tue, 5 Nov 2019 22:49:49 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0001.hostedemail.com [216.40.44.1]) by kanga.kvack.org (Postfix) with ESMTP id D7F766B0007 for ; Tue, 5 Nov 2019 22:49:49 -0500 (EST) Received: from smtpin17.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id A29F82C34 for ; Wed, 6 Nov 2019 03:49:49 +0000 (UTC) X-FDA: 76124473698.17.look06_1b86e291fa426 X-HE-Tag: look06_1b86e291fa426 X-Filterd-Recvd-Size: 2471 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf50.hostedemail.com (Postfix) with ESMTP for ; Wed, 6 Nov 2019 03:49:49 +0000 (UTC) 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 81E8621882; Wed, 6 Nov 2019 03:49:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573012188; bh=R0k687jKIawmp0izD2jnWCCfNUjEePWNDcR2yufXD5w=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Bxlc+ypg3CPUbLLNQyYlWZcJc4DxhRgYmY19Qkc2JcL1hM6PajmWiw/QAK0g7TgbW VVUWLN1CvdM7NAR5Z2KyLe7KAehur9mSU/LbegQPQc4rDhVGuzfOqcU+rB2XsxB8gy fa7J5QjWeqUyDoyQyQLkaHYIxfBYCM3tJG/w9Rlk= Date: Tue, 5 Nov 2019 19:49:47 -0800 From: Andrew Morton To: Thomas =?ISO-8859-1?Q?Hellstr=F6m?= (VMware) Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, torvalds@linux-foundation.org, Thomas Hellstrom , Matthew Wilcox , Will Deacon , Peter Zijlstra , Rik van Riel , Minchan Kim , Michal Hocko , Huang Ying , =?ISO-8859-1?Q?J=E9r=F4me?= Glisse , "Kirill A . Shutemov" Subject: Re: [PATCH v6 3/8] mm: Add a walk_page_mapping() function to the pagewalk code Message-Id: <20191105194947.0f78f903803c58203125f801@linux-foundation.org> In-Reply-To: <20191014132204.7721-4-thomas_os@shipmail.org> References: <20191014132204.7721-1-thomas_os@shipmail.org> <20191014132204.7721-4-thomas_os@shipmail.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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, 14 Oct 2019 15:21:59 +0200 Thomas Hellstr=F6m (VMware) wrote: > For users that want to travers all page table entries pointing into a > region of a struct address_space mapping, introduce a walk_page_mapping() > function. >=20 > The walk_page_mapping() function will be initially be used for dirty- > tracking in virtual graphics drivers. Reviewed-by: Andrew Morton