Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp3792404ybl; Sun, 8 Dec 2019 23:35:44 -0800 (PST) X-Google-Smtp-Source: APXvYqyhIqlREHdNxMxe1StuZLy1zxRuDb5jH4w3pP9TMtzh2fvvRuUgTkjsaywOjp2Nk25bFjui X-Received: by 2002:a9d:4f0e:: with SMTP id d14mr2501433otl.90.1575876944882; Sun, 08 Dec 2019 23:35:44 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575876944; cv=none; d=google.com; s=arc-20160816; b=ZNET/xO26voThyFBSuURSV8YsSMrQrEnAos4tLcpRY1J1FVGWRd8KUHLsm+X5emhGm O96ufq7/B1GOCjbXtjJIXhjQf8ACnXmyUxswBeGM6ByTe/cp284MLkFthfm1bTSdnJKp 5yZAuC4Pdg+f9u88oSfjXARoH998qsxabM7WRqHiQDLvX3eol/zQp0LDiOZngfIyuq6M cZStHIzeQ8wmDRAv+BGx+SmT6bjY54sBQRHv0zyS0ea/T7IqDe0t22o6QAZYag6y2ik/ qPHU3Pd9TFOSNCabBm25LpzOXQnhcszqOxx3WhW0K1D44JI0M/lz4aitbj+eMLl0p4Jo Az2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=AUVlsLdi8fdsPbY65zgNJOz3dj9sUmyYrS3GRJDCmW4=; b=Bvi+NAJtEFE+3HxwfqqHsaa4lSP5mQVlAePZ6Fxx3HIEDTjUvl/ypA//F777d54n7j omcCxUk/UJ0k9up7H+rRb3tGdyTmmeZbvgDjHNZgsllUpAZGMTO8GccpViEWUjWIgweT xWQjP5UvYXSsLtjzdNdQjvTzggj0CzNfb3j0WDifDVP3Ql2LLWxZ85iG7FZd65x97nor UfKjs2ZSV1KIwDZKTpjE1nPst8IyOLIPYIWMDUYJz1BA9TgxuPhq91+C63Pj0nP6XS31 atLIKvUma4d3apXq4i6Y4ergNetuyInXKJIBCxgO0sAUWkItwgeRcslDLgeBLv6jKgKV VDGA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=n37WqACQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w131si11594737oif.240.2019.12.08.23.35.34; Sun, 08 Dec 2019 23:35:44 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=n37WqACQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727084AbfLIHfG (ORCPT + 99 others); Mon, 9 Dec 2019 02:35:06 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:42480 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726270AbfLIHfG (ORCPT ); Mon, 9 Dec 2019 02:35:06 -0500 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 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Or a flags argument with descriptive flags to the existing function? These magic bool arguments don't scale..