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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 E25E9C43603 for ; Mon, 9 Dec 2019 07:35:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7AD23205ED for ; Mon, 9 Dec 2019 07:35:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="n37WqACQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7AD23205ED 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 DCAF76B2581; Mon, 9 Dec 2019 02:35:06 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D7A926B2582; Mon, 9 Dec 2019 02:35:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C6AF36B2583; Mon, 9 Dec 2019 02:35:06 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0073.hostedemail.com [216.40.44.73]) by kanga.kvack.org (Postfix) with ESMTP id AD87F6B2581 for ; Mon, 9 Dec 2019 02:35:06 -0500 (EST) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 5935D2C1E for ; Mon, 9 Dec 2019 07:35:06 +0000 (UTC) X-FDA: 76244791812.22.iron84_83dbaa768c006 X-HE-Tag: iron84_83dbaa768c006 X-Filterd-Recvd-Size: 2230 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Mon, 9 Dec 2019 07:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=AUVlsLdi8fdsPbY65zgNJOz3dj9sUmyYrS3GRJDCmW4=; b=n37WqACQPtP5A0fDZTSgc5Gvc 53EohRNGke78MiTXAPb5O0jfunE9sLrrhr4kZLFsfiFAoJFBHdv0Vj/SU/7kT/kIeBIcQ0WqjwNuI j37s8NiLrL4KSdBaOXglHcoo0EQuV9IOjTS8DbW2F2eciE1qcgqrhlg98ncM+hy9DDWk3M9ma2YRE NIDmAdOpCKKv/ZjuTc8lbpJtW61ZhBsYpO4J7xjbEDr2MLLg6frbYz2aelWeBArYglPvR1go0Ussi f7rByYXsq0N3U9U8A+6vOvek4sfu99ZVW2as8lDlwVkqlFIv1edpfainE7cOd2vFEGT6QRbQUw3Yd 87zfoUgLA==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1ieDZK-0001GA-8U; Mon, 09 Dec 2019 07:34:58 +0000 Date: Sun, 8 Dec 2019 23:34:58 -0800 From: Christoph Hellwig To: Andrew Morton Cc: Daniel Axtens , kasan-dev@googlegroups.com, linux-mm@kvack.org, aryabinin@virtuozzo.com, glider@google.com, linux-kernel@vger.kernel.org, dvyukov@google.com, daniel@iogearbox.net, cai@lca.pw Subject: Re: [PATCH 1/3] mm: add apply_to_existing_pages helper Message-ID: <20191209073458.GA3852@infradead.org> References: <20191205140407.1874-1-dja@axtens.net> <20191206163853.cdeb5dc80a8622fb6323a8d2@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191206163853.cdeb5dc80a8622fb6323a8d2@linux-foundation.org> User-Agent: Mutt/1.12.1 (2019-06-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html 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: Or a flags argument with descriptive flags to the existing function? These magic bool arguments don't scale..