sfc: Reduce size of efx_rx_buffer by unionising skb and page

[pandora-kernel.git] / drivers / net / sfc / net_driver.h

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 15b9068..59ff32a 100644 (file)
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -216,13 +216,17 @@ struct efx_tx_queue {
  *     If both this and skb are %NULL, the buffer slot is currently free.
  * @data: Pointer to ethernet header
  * @len: Buffer length, in bytes.
+ * @is_page: Indicates if @page is valid. If false, @skb is valid.
  */
 struct efx_rx_buffer {
        dma_addr_t dma_addr;
-       struct sk_buff *skb;
-       struct page *page;
+       union {
+               struct sk_buff *skb;
+               struct page *page;
+       } u;
        char *data;
        unsigned int len;
+       bool is_page;
 };
 
 /**