vmbus: keep pointer to ring buffer page

Avoid going from struct page to virt address (and back) by just
keeping pointer to the allocated pages instead of virt address.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 6c4575c7f46b..a6c32d2d090b 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -739,7 +739,7 @@ struct vmbus_channel {
         u32 ringbuffer_gpadlhandle;
 
         /* Allocated memory for ring buffer */
-        void *ringbuffer_pages;
+        struct page *ringbuffer_page;
         u32 ringbuffer_pagecount;
         struct hv_ring_buffer_info outbound;    /* send to parent */
         struct hv_ring_buffer_info inbound;     /* receive from parent */