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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 68793C4743C for ; Wed, 23 Jun 2021 08:02:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 27370611BF for ; Wed, 23 Jun 2021 08:02:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 27370611BF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 23B5C8D0005; Wed, 23 Jun 2021 04:02:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1EB4D8D0002; Wed, 23 Jun 2021 04:02:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 08C8A8D0005; Wed, 23 Jun 2021 04:02:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0120.hostedemail.com [216.40.44.120]) by kanga.kvack.org (Postfix) with ESMTP id C69AD8D0002 for ; Wed, 23 Jun 2021 04:02:46 -0400 (EDT) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 0F02F80B90F8 for ; Wed, 23 Jun 2021 08:02:47 +0000 (UTC) X-FDA: 78284247174.12.901AEAE Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf04.hostedemail.com (Postfix) with ESMTP id B6184569 for ; Wed, 23 Jun 2021 08:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=W4wOdEsFwAzwNqc6xQD7Wr3IXC3zhQDqWh0/GXAHyBw=; b=a+iBkoB2d10FrM/Zvl1CNf437H w0T02K3nF6bcoBTQxMlIjzhWNC1jy9nGhW99VNCGAGS5BdsEqd6yVy3n6WD/0sE4ciI3+3HuO2Ul+ pdp3jucwtlhtBGt6eCkAjYXkPmDQ1gUcyOTKgW5Y64KkkZ72GKwnAKiSoZ+G8BuQsixFuaFwyXRHl cqInYxLV88D5Z1Zy9Bn42at7Da+p8+heT9h2QwRCaPX8WqCuQFi7KDdoEe+HdXadMdeNaEwxJnv2O pyygb5RzfsI4NtHqBXrRJBXAGwRfksH7WHIOHhMlSmUmUgfLTF108ihxoNznC2uu90aI/kvy56C2T 2KFfaaig==; Received: from [2001:4bb8:188:3e21:6594:49:139:2b3f] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lvxoM-00FBXV-S5; Wed, 23 Jun 2021 08:00:51 +0000 Date: Wed, 23 Jun 2021 10:00:37 +0200 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 05/46] mm: Add arch_make_folio_accessible() Message-ID: References: <20210622121551.3398730-1-willy@infradead.org> <20210622121551.3398730-6-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210622121551.3398730-6-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=a+iBkoB2; dmarc=none; spf=none (imf04.hostedemail.com: domain of BATV@casper.srs.infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=BATV@casper.srs.infradead.org X-Rspamd-Server: rspam02 X-Stat-Signature: ua737139iywzrtp6ew3s6tk3b3bdc337 X-Rspamd-Queue-Id: B6184569 X-HE-Tag: 1624435366-528162 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 01:15:10PM +0100, 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. Can we wait with introducing arch hooks until we have an actual user lined up?