diff options
| author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-20 10:10:03 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-20 17:04:20 -0400 |
| commit | 924a4c7d2e962b4e6a8e9ab3aabfd2bb29e5ada9 (patch) | |
| tree | 5b415d660ba9866304041006ef26ccaf86246c1d /drivers | |
| parent | 7b8b59617ead5acc6ff041a9ad2ea1fe7a58094f (diff) | |
| download | linux-924a4c7d2e962b4e6a8e9ab3aabfd2bb29e5ada9.tar.gz | |
myri10ge: fix truesize underestimation
skb->truesize must account for allocated memory, not the used part of it. Doing this work is important to avoid unexpected OOM situations. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Jon Mason <mason@myri.com> Acked-by: Jon Mason <mason@myri.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index c970a48436dc..0778edcf7b9a 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -1210,7 +1210,6 @@ myri10ge_rx_skb_build(struct sk_buff *skb, u8 * va, struct skb_frag_struct *skb_frags; skb->len = skb->data_len = len; - skb->truesize = len + sizeof(struct sk_buff); /* attach the page(s) */ skb_frags = skb_shinfo(skb)->frags; @@ -1385,6 +1384,8 @@ myri10ge_rx_done(struct myri10ge_slice_state *ss, int len, __wsum csum, if (skb_frag_size(&skb_shinfo(skb)->frags[0]) <= 0) { skb_frag_unref(skb, 0); skb_shinfo(skb)->nr_frags = 0; + } else { + skb->truesize += bytes * skb_shinfo(skb)->nr_frags; } skb->protocol = eth_type_trans(skb, dev); skb_record_rx_queue(skb, ss - &mgp->ss[0]); |