From mboxrd@z Thu Jan 1 00:00:00 1970 From: david.vrabel@citrix.com (David Vrabel) Date: Thu, 20 Aug 2015 11:03:50 +0100 Subject: [Xen-devel] [PATCH v3 17/20] net/xen-netfront: Make it running on 64KB page granularity In-Reply-To: <1438966019-19322-18-git-send-email-julien.grall@citrix.com> References: <1438966019-19322-1-git-send-email-julien.grall@citrix.com> <1438966019-19322-18-git-send-email-julien.grall@citrix.com> Message-ID: <55D5A606.7020701@citrix.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/08/15 17:46, Julien Grall wrote: > The PV network protocol is using 4KB page granularity. The goal of this > patch is to allow a Linux using 64KB page granularity using network > device on a non-modified Xen. > > It's only necessary to adapt the ring size and break skb data in small > chunk of 4KB. The rest of the code is relying on the grant table code. > > Note that we allocate a Linux page for each rx skb but only the first > 4KB is used. We may improve the memory usage by extending the size of > the rx skb. Reviewed-by: David Vrabel David