e1000e: fix skb truesize underestimation
authorEric Dumazet <[email protected]>
Thu, 13 Oct 2011 08:03:36 +0000 (08:03 +0000)
committerDavid S. Miller <[email protected]>
Thu, 13 Oct 2011 20:05:08 +0000 (16:05 -0400)
e1000e allocates a page per skb fragment. We must account
PAGE_SIZE increments on skb->truesize, not the actual frag length.

Signed-off-by: Eric Dumazet <[email protected]>
CC: Jeff Kirsher <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
drivers/net/ethernet/intel/e1000e/netdev.c

index 78c5d21fa34b98571bccc5f33786ac950c0eda21..035ce73c388e4b963dd6c1035768aca10bedf90a 100644 (file)
@@ -1300,7 +1300,7 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                        ps_page->page = NULL;
                        skb->len += length;
                        skb->data_len += length;
-                       skb->truesize += length;
+                       skb->truesize += PAGE_SIZE;
                }
 
                /* strip the ethernet crc, problem is we're using pages now so
@@ -1360,7 +1360,7 @@ static void e1000_consume_page(struct e1000_buffer *bi, struct sk_buff *skb,
        bi->page = NULL;
        skb->len += length;
        skb->data_len += length;
-       skb->truesize += length;
+       skb->truesize += PAGE_SIZE;
 }
 
 /**