From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752394AbcGRXln (ORCPT ); Mon, 18 Jul 2016 19:41:43 -0400 Received: from mail-pa0-f53.google.com ([209.85.220.53]:33605 "EHLO mail-pa0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752268AbcGRXli (ORCPT ); Mon, 18 Jul 2016 19:41:38 -0400 Date: Mon, 18 Jul 2016 19:41:36 -0400 From: Tejun Heo To: Bhaktipriya Shridhar Cc: David Airlie , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/ttm: Remove create_singlethread_workqueue Message-ID: <20160718234136.GP3078@mtj.duckdns.org> References: <20160716082017.GA7210@Karyakshetra> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160716082017.GA7210@Karyakshetra> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 16, 2016 at 01:50:17PM +0530, Bhaktipriya Shridhar wrote: > swap_queue was created to handle shrinking in low memory situations. > A separate workqueue was used in order to avoid other workqueue tasks > from being blocked since work items on swap_queue spend a lot of time > waiting for the GPU. > > Since these long-running work items aren't involved in memory reclaim in > any way, system_long_wq has been used. > > Work item has been flushed in ttm_mem_global_release() to ensure that > nothing is pending when the driver is disconnected. > > Signed-off-by: Bhaktipriya Shridhar Acked-by: Tejun Heo Thanks. -- tejun