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 17E65C433E0 for ; Tue, 22 Dec 2020 15:45:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD47423105 for ; Tue, 22 Dec 2020 15:45:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727867AbgLVPpc (ORCPT ); Tue, 22 Dec 2020 10:45:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727373AbgLVPpc (ORCPT ); Tue, 22 Dec 2020 10:45:32 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4068AC061793; Tue, 22 Dec 2020 07:44:52 -0800 (PST) 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=GEu2oMLU4SSJqQIgd19YKJ2IS6X3GTZGvv9v3EFnUDQ=; b=jPX+n/KIeKI+9jn2zhyNTtGkxf AsDMTzxYpxyNtj8XeJ+ssHns9uZ4d6Fvrp8K6iQiR4Fg+Yhw+Ub87tyykvC9aRZzw33GghkbTZv3s fRtgd6tg8G8VpyNDCJNmzg//12oUUFuNDGHIXzln6dvWpA/VeUkotpB/u1sUwSo3aKJIZ9x8LPeaD 2YSwcSdd3fLwypE/E0GMSluQ5ljTpmC6QcobueLFoz5UJw7B83pFLGGCECXggWnTX4kIwKr3Qvx5r Y8pNzk2HUQ2+Gtk9E1drAq68sTc2mG6Z3o2DYWcN031P/WbGf0SirQMQ+xBWlqqePWrdJebcS/IU9 MM6rA71A==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1krjpt-00026T-Pv; Tue, 22 Dec 2020 15:44:29 +0000 Date: Tue, 22 Dec 2020 15:44:29 +0000 From: Christoph Hellwig To: Xie Yongji Cc: mst@redhat.com, jasowang@redhat.com, stefanha@redhat.com, sgarzare@redhat.com, parav@nvidia.com, akpm@linux-foundation.org, rdunlap@infradead.org, willy@infradead.org, viro@zeniv.linux.org.uk, axboe@kernel.dk, bcrl@kvack.org, corbet@lwn.net, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC v2 01/13] mm: export zap_page_range() for driver use Message-ID: <20201222154429.GA5557@infradead.org> References: <20201222145221.711-1-xieyongji@bytedance.com> <20201222145221.711-2-xieyongji@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201222145221.711-2-xieyongji@bytedance.com> 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: netdev@vger.kernel.org On Tue, Dec 22, 2020 at 10:52:09PM +0800, Xie Yongji wrote: > Export zap_page_range() for use in VDUSE. Err, no. This has absolutely no business being used by drivers.