[PATCH net-next] bnx2: fix skb truesize underestimation
From: Eric Dumazet <hidden>
Date: 2011-10-13 17:50:02
bnx2 allocates a full page per fragment. We must account PAGE_SIZE increments on skb->truesize, not the actual frag length. Signed-off-by: Eric Dumazet <redacted> --- drivers/net/ethernet/broadcom/bnx2.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
index 3c221be..6ff7636 100644
--- a/drivers/net/ethernet/broadcom/bnx2.c
+++ b/drivers/net/ethernet/broadcom/bnx2.c@@ -3051,7 +3051,6 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, &skb_shinfo(skb)->frags[i - 1]; frag->size -= tail; skb->data_len -= tail; - skb->truesize -= tail; } return 0; }
@@ -3083,7 +3082,7 @@ bnx2_rx_skb(struct bnx2 *bp, struct bnx2_rx_ring_info *rxr, struct sk_buff *skb, frag_size -= frag_len; skb->data_len += frag_len; - skb->truesize += frag_len; + skb->truesize += PAGE_SIZE; skb->len += frag_len; pg_prod = NEXT_RX_BD(pg_prod);