e1000e: Fix jumbo frame receive code.

Fix allocation and freeing of jumbo frames where several bugs
were recently introduced by cleanups after we forked this code
from e1000. This moves ps_pages to buffer_info where it really
belongs and makes it a dynamically allocated array. The penalty
is not that high since it's allocated outside of the buffer_info
struct anyway.

Without this patch all jumbo frames are completely broken and the
driver panics.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index d2499bb..811eada 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -123,6 +123,8 @@
 		};
 		/* RX */
 		struct page *page;
+		/* arrays of page information for packet split */
+		struct e1000_ps_page *ps_pages;
 	};
 
 };
@@ -142,8 +144,6 @@
 	/* array of buffer information structs */
 	struct e1000_buffer *buffer_info;
 
-	/* arrays of page information for packet split */
-	struct e1000_ps_page *ps_pages;
 	struct sk_buff *rx_skb_top;
 
 	struct e1000_queue_stats stats;