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 C9919C43462 for ; Sun, 16 May 2021 07:13:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5A2B5611BF for ; Sun, 16 May 2021 07:13:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A2B5611BF 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 B8DEF6B0070; Sun, 16 May 2021 03:13:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id B63546B0071; Sun, 16 May 2021 03:13:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9DDD16B0072; Sun, 16 May 2021 03:13:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0096.hostedemail.com [216.40.44.96]) by kanga.kvack.org (Postfix) with ESMTP id 697996B0070 for ; Sun, 16 May 2021 03:13:40 -0400 (EDT) Received: from smtpin38.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id ED07B99BD for ; Sun, 16 May 2021 07:13:39 +0000 (UTC) X-FDA: 78146228958.38.1C71830 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf07.hostedemail.com (Postfix) with ESMTP id 242D4A000385 for ; Sun, 16 May 2021 07:13:38 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id BE3C96115C; Sun, 16 May 2021 07:13:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621149218; bh=IoT9uozjOozDjgXpC4P6jXJSumTP/QNdfBTNGYn48Go=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UJGadq3iWVyp6JiaaARzML2nDhD/6cxgoukhLb//Cm1oiKYNlw2vGT6JTI7JDXvj2 sv01qcX7qz1P0swA1iAeer1zfo0u8w0FM+2xjAKXq5nty+4U8NND5Zd35VzjSdgPvo tDXqQy0wo5sGVwSrA1ulFuVwtCplNbJ71DrU3dWxVebC/bnfBzEDBPZgIZbVXfd0Sk QuBjs82K5fBUBM1+e1y5/3sAud3EurnH6Q3/XujCr4AuuRXHMRs0y7nWOwkAisAJxZ RIgDFv5dORgRpVXtvZRRsIItfRvWQyJQI2ZhrWK1iaupqJoRD9qzvTr0ixi2Std5XI RjQV7hOfflMCg== Date: Sun, 16 May 2021 10:13:19 +0300 From: Mike Rapoport To: David Hildenbrand Cc: Andrew Morton , Alexander Viro , Andy Lutomirski , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christopher Lameter , Dan Williams , Dave Hansen , Elena Reshetova , "H. Peter Anvin" , Hagen Paul Pfeifer , Ingo Molnar , James Bottomley , Kees Cook , "Kirill A. Shutemov" , Matthew Wilcox , Matthew Garrett , Mark Rutland , Michal Hocko , Mike Rapoport , Michael Kerrisk , Palmer Dabbelt , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , "Rafael J. Wysocki" , Rick Edgecombe , Roman Gushchin , Shakeel Butt , Shuah Khan , Thomas Gleixner , Tycho Andersen , Will Deacon , Yury Norov , linux-api@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-nvdimm@lists.01.org, linux-riscv@lists.infradead.org, x86@kernel.org Subject: Re: [PATCH v19 3/8] set_memory: allow set_direct_map_*_noflush() for multiple pages Message-ID: References: <20210513184734.29317-1-rppt@kernel.org> <20210513184734.29317-4-rppt@kernel.org> <858e5561-bc7d-4ce1-5cb8-3c333199d52a@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <858e5561-bc7d-4ce1-5cb8-3c333199d52a@redhat.com> Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=UJGadq3i; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf07.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 242D4A000385 X-Stat-Signature: ous7t9iqb1wot6gnhcecr8wu5s6y31qg X-HE-Tag: 1621149218-186696 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 Fri, May 14, 2021 at 10:43:29AM +0200, David Hildenbrand wrote: > On 13.05.21 20:47, Mike Rapoport wrote: > > From: Mike Rapoport > > > > The underlying implementations of set_direct_map_invalid_noflush() and > > set_direct_map_default_noflush() allow updating multiple contiguous pages > > at once. > > > > Add numpages parameter to set_direct_map_*_noflush() to expose this > > ability with these APIs. > > AFAIKs, your patch #5 right now only calls it with 1 page, do we need this > change at all? Feels like a leftover from older versions to me where we > could have had more than a single page. Right, will drop it. -- Sincerely yours, Mike.