From: Eric Dumazet Date: Thu, 13 Oct 2011 07:50:19 +0000 (+0000) Subject: bnx2: fix skb truesize underestimation X-Git-Tag: v2.6.39-400.9.0~423^2~19^2~11^2~638 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f7d6edf72e71c395d20aef0e396c1ac5d6e795f8;p=users%2Fjedix%2Flinux-maple.git bnx2: fix skb truesize underestimation bnx2 allocates a full page per fragment. We must account PAGE_SIZE increments on skb->truesize, not the actual frag length. (cherry picked from commit a1f4e8bcbccf50cf1894c263af4d677d4f566533) Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Joe Jin --- diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index b147ef686466..c026af70d88a 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -3041,7 +3041,6 @@ 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; } @@ -3073,7 +3072,7 @@ 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);