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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B3B0C433FE for ; Mon, 18 Oct 2021 07:26:41 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0205C60FDC for ; Mon, 18 Oct 2021 07:26:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 0205C60FDC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83B316E971; Mon, 18 Oct 2021 07:26:40 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 958D56E479; Sat, 16 Oct 2021 16:40:05 +0000 (UTC) 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=m+/01TelQmBNfXwVuV7nEanECorZjkMuzOgfdURTYOY=; b=RiRE9VN0tHQNnKKD3WDLCfF35k Phk7aInITfjVIkSQvFG5WBTWm/unqkCV22YezdmuSKtqozr/taMnHwqUjEZrPFjQvQmIHY9n6HGVI NJMhYQTIc3vVguttckPiHomY80SABnb6NivaD4idfe7Lj3NHeG9YJSolkKBoTnMPUZ9KwzGAZFr4k PcJC+TDuVe3RJntjG7APQ99AQ9QJqSUIsy9ti9jNNq8FXSYLd1t7m7RXtx2szXlSjC5bzq/h1x4ba AIShMuky2bDx3M2Ssjj7llkdqYvP09vclZm9aOaYV7ukLdOZ6rtx4tRemA7HXBJMlQgsVaBNdwrVu UpKiUVgw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbmiJ-009mGF-Tq; Sat, 16 Oct 2021 16:39:22 +0000 Date: Sat, 16 Oct 2021 17:39:15 +0100 From: Matthew Wilcox To: Jason Gunthorpe Cc: Dan Williams , Alex Sierra , Andrew Morton , "Kuehling, Felix" , Linux MM , Ralph Campbell , linux-ext4 , linux-xfs , amd-gfx list , Maling list - DRI developers , Christoph Hellwig , =?iso-8859-1?B?Suly9G1l?= Glisse , Alistair Popple , Vishal Verma , Dave Jiang , Linux NVDIMM Subject: Re: [PATCH v1 2/2] mm: remove extra ZONE_DEVICE struct page refcount Message-ID: References: <20211014153928.16805-1-alex.sierra@amd.com> <20211014153928.16805-3-alex.sierra@amd.com> <20211014170634.GV2744544@nvidia.com> <20211014230606.GZ2744544@nvidia.com> <20211016154450.GJ2744544@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211016154450.GJ2744544@nvidia.com> X-Mailman-Approved-At: Mon, 18 Oct 2021 07:26:38 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On Sat, Oct 16, 2021 at 12:44:50PM -0300, Jason Gunthorpe wrote: > Assuming changing FSDAX is hard.. How would DAX people feel about just > deleting the PUD/PMD support until it can be done with compound pages? I think there are customers who would find that an unacceptable answer :-)