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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 51161C4743C for ; Wed, 23 Jun 2021 08:02:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33D76611C1 for ; Wed, 23 Jun 2021 08:02:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230044AbhFWIEk (ORCPT ); Wed, 23 Jun 2021 04:04:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229902AbhFWIEk (ORCPT ); Wed, 23 Jun 2021 04:04:40 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCC98C061574; Wed, 23 Jun 2021 01:02:21 -0700 (PDT) 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 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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?