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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 EA578C432BE for ; Wed, 11 Aug 2021 14:19:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 10F436101D for ; Wed, 11 Aug 2021 14:19:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 10F436101D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.cz Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 6480F6B0071; Wed, 11 Aug 2021 10:19:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5F9708D0001; Wed, 11 Aug 2021 10:19:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4E7A46B0073; Wed, 11 Aug 2021 10:19:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0079.hostedemail.com [216.40.44.79]) by kanga.kvack.org (Postfix) with ESMTP id 3470C6B0071 for ; Wed, 11 Aug 2021 10:19:39 -0400 (EDT) Received: from smtpin32.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 80FA51BCA5 for ; Wed, 11 Aug 2021 14:19:38 +0000 (UTC) X-FDA: 78463008036.32.A4D05AF Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by imf21.hostedemail.com (Postfix) with ESMTP id 14295D0109C3 for ; Wed, 11 Aug 2021 14:19:37 +0000 (UTC) Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id D82B422209; Wed, 11 Aug 2021 14:19:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1628691576; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ryzwJWAVBGY25h1BYH39QYdUIbta9T+6HGoCPAbW6TI=; b=Vh0bC5DCi82XlVPM7M7SAKkfkvJ5WAUpo6S4HH1Qzi8ABuQRuuedJ6GUmCWE9qRHffHTpd 3sl9fmVntOUr+KVFryNetrLG260GJLPRyHbwY80cquNe1Utiorh+LE4Lj+OpGZj7PnVKbu 6RcqaPvbtVZQI4x70/+TluXiGTYhmfA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1628691576; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ryzwJWAVBGY25h1BYH39QYdUIbta9T+6HGoCPAbW6TI=; b=Uluh5BXmW6eZ+IHKpWHzSEK9QSbML7l7lFNXLxz8L8rD4epbArwgchrbPk+Dm8lbUh+1DT 7y9FuF5/7YHt11Cw== Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id B8DAC13969; Wed, 11 Aug 2021 14:19:36 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id d6EcLHjcE2HgSQAAGKfGzw (envelope-from ); Wed, 11 Aug 2021 14:19:36 +0000 Subject: Re: [PATCH v14 055/138] mm: Add arch_make_folio_accessible() To: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org References: <20210715033704.692967-1-willy@infradead.org> <20210715033704.692967-56-willy@infradead.org> From: Vlastimil Babka Message-ID: Date: Wed, 11 Aug 2021 16:19:36 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210715033704.692967-56-willy@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=suse.cz header.s=susede2_rsa header.b=Vh0bC5DC; dkim=pass header.d=suse.cz header.s=susede2_ed25519 header.b=Uluh5BXm; spf=pass (imf21.hostedemail.com: domain of vbabka@suse.cz designates 195.135.220.28 as permitted sender) smtp.mailfrom=vbabka@suse.cz; dmarc=none X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 14295D0109C3 X-Stat-Signature: 9kx3xdc9o4a3dmk4kmtodd7ncbcq9j5f X-HE-Tag: 1628691577-553891 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 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote: > As a default implementation, call arch_make_page_accessible n times. > If an architecture can do better, it can override this. > > Also move the default implementation of arch_make_page_accessible() > from gfp.h to mm.h. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Vlastimil Babka