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=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 97F35C48BE5 for ; Wed, 16 Jun 2021 10:38:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D82561164 for ; Wed, 16 Jun 2021 10:38:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232558AbhFPKkU (ORCPT ); Wed, 16 Jun 2021 06:40:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:43710 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232553AbhFPKkB (ORCPT ); Wed, 16 Jun 2021 06:40:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623839875; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=18UYC34LO482T5e/LOQVLpAiVeD6lKSvaD2c4N3RCHU=; b=gDtULYZMMm7xNPn7DG8LATn1WPYdbNQdIT7BOFxF+7E0Rz578LEL0EacLv+kaj5PSbv1X6 deK7rfujzewk28tCn86yTXsGmTg3SNX9j50UF6pqFj/25tQ2fEZ5vnWqijMYwvlh3GQ9RU Xb8QRIMvOx71DMww+qUta4iQp8QoFC0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-181-ERrAuzyUOG6kh7AfBGBWHQ-1; Wed, 16 Jun 2021 06:37:52 -0400 X-MC-Unique: ERrAuzyUOG6kh7AfBGBWHQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 080949126F; Wed, 16 Jun 2021 10:37:51 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-118-65.rdu2.redhat.com [10.10.118.65]) by smtp.corp.redhat.com (Postfix) with ESMTP id A23F263B8C; Wed, 16 Jun 2021 10:37:49 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20210614201435.1379188-34-willy@infradead.org> References: <20210614201435.1379188-34-willy@infradead.org> <20210614201435.1379188-1-willy@infradead.org> To: "Matthew Wilcox (Oracle)" Cc: dhowells@redhat.com, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vlastimil Babka , William Kucharski Subject: Re: [PATCH v11 33/33] mm: Add folio_mapped() MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <816367.1623839868.1@warthog.procyon.org.uk> Date: Wed, 16 Jun 2021 11:37:48 +0100 Message-ID: <816368.1623839868@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: David Howells