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=-5.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 C727EC4727D for ; Sat, 26 Sep 2020 02:43:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3E45E2087D for ; Sat, 26 Sep 2020 02:43:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="dCRAn6cZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3E45E2087D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6D1026B005C; Fri, 25 Sep 2020 22:43:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 68C268E0001; Fri, 25 Sep 2020 22:43:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 597906B0068; Fri, 25 Sep 2020 22:43:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0224.hostedemail.com [216.40.44.224]) by kanga.kvack.org (Postfix) with ESMTP id 42E0A6B005C for ; Fri, 25 Sep 2020 22:43:53 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 0092B5828 for ; Sat, 26 Sep 2020 02:43:52 +0000 (UTC) X-FDA: 77303667546.30.cow49_540fe4c2716c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id CED0C180B3C83 for ; Sat, 26 Sep 2020 02:43:52 +0000 (UTC) X-HE-Tag: cow49_540fe4c2716c X-Filterd-Recvd-Size: 2863 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf35.hostedemail.com (Postfix) with ESMTP for ; Sat, 26 Sep 2020 02:43:52 +0000 (UTC) Received: from X1 (unknown [104.245.68.101]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3885820878; Sat, 26 Sep 2020 02:43:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601088231; bh=1nkZCA5YPl8bVzihcrG7vvM8b//lqkJ5TQeIuSIoqCQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=dCRAn6cZQrrJb2Wh/R/Zwk22edLD5gfhWGDqwTYHfDhwL8p9lj1q3nd20NicS+n6l q5ujK20g/b5JixrtLCZ8ysCD9kfVgSPlWmXQyL1yASDHU+i0PynwItHvs0xxsLQqqI YCTc9mEz0rJ75n3w690uhG5J+1mzUwI54ugn3gJs= Date: Fri, 25 Sep 2020 19:43:49 -0700 From: Andrew Morton To: Christoph Hellwig Cc: Peter Zijlstra , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Chris Wilson , Matthew Auld , Rodrigo Vivi , Minchan Kim , Matthew Wilcox , Nitin Gupta , x86@kernel.org, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org Subject: Re: remove alloc_vm_area v2 Message-Id: <20200925194349.d0ee9dbedb2ec48f0bfcd2ec@linux-foundation.org> In-Reply-To: <20200924135853.875294-1-hch@lst.de> References: <20200924135853.875294-1-hch@lst.de> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Thu, 24 Sep 2020 15:58:42 +0200 Christoph Hellwig wrote: > this series removes alloc_vm_area, which was left over from the big > vmalloc interface rework. It is a rather arkane interface, basicaly > the equivalent of get_vm_area + actually faulting in all PTEs in > the allocated area. It was originally addeds for Xen (which isn't > modular to start with), and then grew users in zsmalloc and i915 > which seems to mostly qualify as abuses of the interface, especially > for i915 as a random driver should not set up PTE bits directly. > > Note that the i915 patches apply to the drm-tip branch of the drm-tip > tree, as that tree has recent conflicting commits in the same area. Is the drm-tip material in linux-next yet? I'm still seeing a non-trivial reject in there at present.