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igb: fix skb truesize underestimation

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e1000 allocates half a page per skb fragment. We must account
PAGE_SIZE/2 increments on skb->truesize, not the actual frag length.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2011-10-13 07:56:41 +00:00 committed by David S. Miller
parent ed64b3cc11
commit 95b9c1dfb7
1 changed files with 1 additions and 1 deletions
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drivers/net/ethernet/intel/igb/igb_main.c
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@ -5950,7 +5950,7 @@ static bool igb_clean_rx_irq(struct igb_q_vector *q_vector, int budget)
skb->len += length;
skb->data_len += length;
skb->truesize += length;
skb->truesize += PAGE_SIZE / 2;
if ((page_count(buffer_info->page) != 1) ||
(page_to_nid(buffer_info->page) != current_node))