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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 78162C2B9F4 for ; Mon, 28 Jun 2021 12:51:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0AF8561C43 for ; Mon, 28 Jun 2021 12:51:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0AF8561C43 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=shutemov.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 48A098D003B; Mon, 28 Jun 2021 08:51:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 439C98D0038; Mon, 28 Jun 2021 08:51:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 301938D003B; Mon, 28 Jun 2021 08:51:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 015568D0038 for ; Mon, 28 Jun 2021 08:51:32 -0400 (EDT) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id EC76A824999B for ; Mon, 28 Jun 2021 12:51:32 +0000 (UTC) X-FDA: 78303118824.04.B39542D Received: from mail-lj1-f182.google.com (mail-lj1-f182.google.com [209.85.208.182]) by imf23.hostedemail.com (Postfix) with ESMTP id A9B72A001A59 for ; Mon, 28 Jun 2021 12:51:32 +0000 (UTC) Received: by mail-lj1-f182.google.com with SMTP id r16so25474622ljk.9 for ; Mon, 28 Jun 2021 05:51:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=tFpwwri/X5gBvVcIgbQFvNQzUQidUndNbiZ2bXpBwRI=; b=QSzp02hungPLcF2/Cclzm2bRcUqPPjAJhMpnMMYM06cAEyZlUpfYXyt1m/9QLJlxPY 2W4v66FlwC0sjTPbdI+OiNlLgxrQRwZ1t8YtWG86BforsYbSitzG82kv1fT7ZHhAJBTS cDriYUDGYEZkixrY8HPqDdynH4E3cl1ETyGf+X2pblTRbWBs7km95NJ+EG4FXiURfwpR Ex7zSufnSLaXaRGt++aQJLoRok6wA28GcOs5JL5Q6T9zcPa0FXe4KAbINStf2hYzshgq jjfW81aVLxJCnwg5mNYEIYMQSkZTOWL6ISzKgSlJW5OIOU72pfHj4grCzGJv7UIFW/N1 HJ3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=tFpwwri/X5gBvVcIgbQFvNQzUQidUndNbiZ2bXpBwRI=; b=W7UTDV8OGHf+lRj4Qn5TQ7tog4TeGV0OpDANM/T9jgwnleZ7yu2IRvz0MqaMwNJhyx RrIc2m5XGTC1JFLXmACPKCikU8Gg61rbt4APtS9cA7jUHB77P6yGYyxa+R2LmitDP5hP w1wnFHTQr4u74bUiC9YAS+0WfjRm7eMgwxJxqFg/2bI2tpnZ7MgdV81U1wjjiMvQmfBZ A33ippp0ZjAN0xWj791hv1g1Zoo3OQo7YFFVnh9eBjRDBiYqNpebaYRJHAN4/pY3yVew w1YYauaJ6iiknr6BcerhM4fvhKM/dHKVVWDapGvbTjDmcXMOrx7Lbpzg/WL0Pd+8+ukD DA0A== X-Gm-Message-State: AOAM531P8tzxjATprW9zs8QtucLINWvuwwvwj3z2oCT0FXLQIjbSiW9u ITUyR3+mc0TEYcoxKRzwQwh15g== X-Google-Smtp-Source: ABdhPJxVfKLXmUyo/IPHv7koQEdozO13+4TNRhiUA/dg0gFgaOU6YfZ1tCAUcYQF6ibP+ldh3zdyIQ== X-Received: by 2002:a2e:a486:: with SMTP id h6mr12691552lji.321.1624884691482; Mon, 28 Jun 2021 05:51:31 -0700 (PDT) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id c20sm977200lja.30.2021.06.28.05.51.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Jun 2021 05:51:30 -0700 (PDT) Received: by box.localdomain (Postfix, from userid 1000) id 134CC10280E; Mon, 28 Jun 2021 15:51:30 +0300 (+03) Date: Mon, 28 Jun 2021 15:51:30 +0300 From: "Kirill A. Shutemov" To: "Matthew Wilcox (Oracle)" Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vlastimil Babka , William Kucharski , Christoph Hellwig , David Howells Subject: Re: [PATCH v12 33/33] mm: Add folio_mapped() Message-ID: <20210628125130.l6refof72f2ami5m@box.shutemov.name> References: <20210622114118.3388190-1-willy@infradead.org> <20210622114118.3388190-34-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210622114118.3388190-34-willy@infradead.org> Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=shutemov-name.20150623.gappssmtp.com header.s=20150623 header.b=QSzp02hu; dmarc=none; spf=none (imf23.hostedemail.com: domain of kirill@shutemov.name has no SPF policy when checking 209.85.208.182) smtp.mailfrom=kirill@shutemov.name X-Stat-Signature: srtptey8dtchdm7biyz6jaqn6r7ng3e7 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: A9B72A001A59 X-HE-Tag: 1624884692-156468 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 Tue, Jun 22, 2021 at 12:41:18PM +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 -- Kirill A. Shutemov