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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 412D7C433F5 for ; Tue, 4 Jan 2022 14:46:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6EE6D6B0071; Tue, 4 Jan 2022 09:46:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 69E0F6B0072; Tue, 4 Jan 2022 09:46:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 58CC26B0073; Tue, 4 Jan 2022 09:46:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0127.hostedemail.com [216.40.44.127]) by kanga.kvack.org (Postfix) with ESMTP id 471826B0071 for ; Tue, 4 Jan 2022 09:46:52 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id F246A91E31 for ; Tue, 4 Jan 2022 14:46:51 +0000 (UTC) X-FDA: 78992881422.23.1F2657B Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf02.hostedemail.com (Postfix) with ESMTP id 8A21E8001C for ; Tue, 4 Jan 2022 14:46:40 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 0E84468AFE; Tue, 4 Jan 2022 15:46:43 +0100 (CET) Date: Tue, 4 Jan 2022 15:46:42 +0100 From: Christoph Hellwig To: David Hildenbrand Cc: Christoph Hellwig , Andrew Morton , Konrad Rzeszutek Wilk , Hugh Dickins , Seth Jennings , Dan Streetman , Vitaly Wool , Matthew Wilcox , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: remove Xen tmem leftovers Message-ID: <20220104144642.GA23411@lst.de> References: <20211224062246.1258487-1-hch@lst.de> <10ec73d4-6658-4f60-abe1-84ece53ca373@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <10ec73d4-6658-4f60-abe1-84ece53ca373@redhat.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Stat-Signature: dokiiy8c3zd73sunhqip6tmimn7nbkqr X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 8A21E8001C Authentication-Results: imf02.hostedemail.com; dkim=none; spf=none (imf02.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de; dmarc=none X-HE-Tag: 1641307600-58993 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 Tue, Jan 04, 2022 at 03:31:20PM +0100, David Hildenbrand wrote: > Just out of curiosity, why was tmem removed from Linux (or even Xen?). > Do you have any information? "The Xen tmem (transcendent memory) driver can be removed, as the related Xen hypervisor feature never made it past the "experimental" state and will be removed in future Xen versions (>= 4.13). The xen-selfballoon driver depends on tmem, so it can be removed, too."