Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758139AbcLAHVY (ORCPT ); Thu, 1 Dec 2016 02:21:24 -0500 Received: from mail-wm0-f68.google.com ([74.125.82.68]:35808 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751414AbcLAHVW (ORCPT ); Thu, 1 Dec 2016 02:21:22 -0500 Date: Thu, 1 Dec 2016 08:21:20 +0100 From: Michal Hocko To: "Robin H. Johnson" Cc: Michal Nazarewicz , linux-kernel@vger.kernel.org, linux-mm@kvack.org, dri-devel@lists.freedesktop.org, Joonsoo Kim Subject: Re: drm/radeon spamming alloc_contig_range: [xxx, yyy) PFNs busy busy Message-ID: <20161201072119.GD18272@dhcp22.suse.cz> References: <20161130092239.GD18437@dhcp22.suse.cz> <20161130132848.GG18432@dhcp22.suse.cz> <20161201071507.GC18272@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161201071507.GC18272@dhcp22.suse.cz> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 414 Lines: 14 Forgot to CC Joonsoo. The email thread starts more or less here http://lkml.kernel.org/r/20161130092239.GD18437@dhcp22.suse.cz On Thu 01-12-16 08:15:07, Michal Hocko wrote: > On Wed 30-11-16 20:19:03, Robin H. Johnson wrote: > [...] > > alloc_contig_range: [83f2a3, 83f2a4) PFNs busy > > Huh, do I get it right that the request was for a _single_ page? Why do > we need CMA for that? -- Michal Hocko SUSE Labs