From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 14 Feb 2008 09:53:33 -0600 From: Robin Holt Subject: Re: [ofa-general] Re: Demand paging for memory regions Message-ID: <20080214155333.GA1029@sgi.com> References: <8A71B368A89016469F72CD08050AD334026D5C23@maui.asicdesigners.com> <47B45994.7010805@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47B45994.7010805@opengridcomputing.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Steve Wise Cc: Felix Marti , Roland Dreier , Christoph Lameter , Rik van Riel , steiner@sgi.com, Andrea Arcangeli , a.p.zijlstra@chello.nl, izike@qumranet.com, linux-kernel@vger.kernel.org, avi@qumranet.com, linux-mm@kvack.org, daniel.blueman@quadrics.com, Robin Holt , general@lists.openfabrics.org, Andrew Morton , kvm-devel@lists.sourceforge.net List-ID: On Thu, Feb 14, 2008 at 09:09:08AM -0600, Steve Wise wrote: > Note that for T3, this involves suspending _all_ rdma connections that are > in the same PD as the MR being remapped. This is because the driver > doesn't know who the application advertised the rkey/stag to. So without Is there a reason the driver can not track these. > Point being, it will stop probably all connections that an application is > using (assuming the application uses a single PD). It seems like the need to not stop all would be a compelling enough reason to modify the driver to track which processes have received the rkey/stag. Thanks, Robin -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org