From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: [PATCH/RFC] mxl4_core: Scale size of MTT table with system RAM Date: Tue, 13 Mar 2012 08:27:25 +0200 Message-ID: <4F5EE8CD.7020909@mellanox.com> References: <1330970972-10225-1-git-send-email-roland@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 3/13/2012 1:29 AM, Roland Dreier wrote: > It's just a heuristic, but I figured some app might want to register > essentially all of memory, and then we want some more to cover other > users. The amount of memory used for unused MTT space is pretty small, > I think. If an app registered essentially all memory, then practically nothing else left for other users, or you refer to the case where the driver consumed an MTT segment made of 8 elements on behalf of a certain app but didn't use all the MTT entries of that segment? > I fixed the mxl4->mlx4, thanks. sure, Or. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html