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=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 C8320C636C9 for ; Wed, 21 Jul 2021 14:20:31 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4EA5D6120C for ; Wed, 21 Jul 2021 14:20:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4EA5D6120C 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 ECE776B0080; Wed, 21 Jul 2021 10:20:30 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E7EDD6B0081; Wed, 21 Jul 2021 10:20:30 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D93D86B0083; Wed, 21 Jul 2021 10:20:30 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0214.hostedemail.com [216.40.44.214]) by kanga.kvack.org (Postfix) with ESMTP id BDF196B0080 for ; Wed, 21 Jul 2021 10:20:30 -0400 (EDT) Received: from forelay.prod.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by fograve02.hostedemail.com (Postfix) with ESMTP id 24CD01F340 for ; Wed, 21 Jul 2021 09:31:35 +0000 (UTC) Received: from smtpin34.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C22ED8248047 for ; Wed, 21 Jul 2021 09:31:34 +0000 (UTC) X-FDA: 78386077308.34.6DEED25 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf04.hostedemail.com (Postfix) with ESMTP id 6CB4F5001054 for ; Wed, 21 Jul 2021 09:30:34 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 6B12360E08; Wed, 21 Jul 2021 09:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626859833; bh=SKXjNvpvJ2ame/si0roFi8eBFQNTGfl9xkiytZdEM1Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Uvp2w68c1rRJ4JO3NEsHqmk9QGse8y1ty2dpAP5W2d9eQIRREKLmQfdPnn3C3Rw/E XA0dLOWRrut9uq6/oIVHQj2jR9imespACx4g4n+b67KCHbIkHAW0AZdafcK3EC8sgf 8M1lCcxOnZEN284vWcnypdEeI5p4J23xFVoSG6B2QiSluIhqq1DyL+dv8NPL9tnq9t t4bz6ttrB65nTltbTaBHpVG2gUkq9Sz+K6eAH1pVUuvC8HyhcdX099j7oBEJQKJu4D x8EWLqwVVSfXRH+8ySaca7a3qoOatzhEk/UDPnbxCmSmWVDmrCQT7xAXzc9kmWrqey kMrugL/8LYoFg== Date: Wed, 21 Jul 2021 12:30:25 +0300 From: Mike Rapoport To: "Matthew Wilcox (Oracle)" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Vlastimil Babka , William Kucharski , Christoph Hellwig , David Howells , "Kirill A . Shutemov" Subject: Re: [PATCH v14 032/138] mm: Add folio_mapped() Message-ID: References: <20210715033704.692967-1-willy@infradead.org> <20210715033704.692967-33-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210715033704.692967-33-willy@infradead.org> X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 6CB4F5001054 X-Stat-Signature: nnmfyd5aeg5fimrkd7wi9r1b7484mhwr Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Uvp2w68c; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf04.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org X-HE-Tag: 1626859834-246493 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 Thu, Jul 15, 2021 at 04:35:18AM +0100, Matthew Wilcox (Oracle) wrote: > This function is the equivalent of page_mapped(). It is slightly > shorter as we do not need to handle the PageTail() case. Reimplement > page_mapped() as a wrapper around folio_mapped(). folio_mapped() > is 13 bytes smaller than page_mapped(), but the page_mapped() wrapper > is 30 bytes, for a net increase of 17 bytes of text. > > Signed-off-by: Matthew Wilcox (Oracle) > Acked-by: Vlastimil Babka > Reviewed-by: William Kucharski > Reviewed-by: Christoph Hellwig > Reviewed-by: David Howells > Acked-by: Kirill A. Shutemov > --- > include/linux/mm.h | 1 + > include/linux/mm_types.h | 6 ++++++ > mm/folio-compat.c | 6 ++++++ > mm/util.c | 29 ++++++++++++++++------------- > 4 files changed, 29 insertions(+), 13 deletions(-) Acked-by: Mike Rapoport