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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2011-10-19 23:14:46 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2011-10-21 02:53:00 -0400 |
| commit | 4b727361f0bc7ee7378298941066d8aa15023ffb (patch) | |
| tree | 9cee8374f965ade07d0ef9479e93af493ccaa32e | |
| parent | bnx2x: fix skb truesize underestimation (diff) | |
| download | linux-dev-4b727361f0bc7ee7378298941066d8aa15023ffb.tar.xz linux-dev-4b727361f0bc7ee7378298941066d8aa15023ffb.zip | |
virtio_net: fix truesize underestimation
We must account in skb->truesize, the size of the fragments, not the
used part of them.
Doing this work is important to avoid unexpected OOM situations.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: virtualization@lists.linux-foundation.org
CC: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/virtio_net.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index abbf34fcf4cd..765ab9ac9d17 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -150,6 +150,7 @@ static void set_skb_frag(struct sk_buff *skb, struct page *page, skb->data_len += size; skb->len += size; + skb->truesize += PAGE_SIZE; skb_shinfo(skb)->nr_frags++; *len -= size; } @@ -287,7 +288,6 @@ static void receive_buf(struct net_device *dev, void *buf, unsigned int len) } hdr = skb_vnet_hdr(skb); - skb->truesize += skb->data_len; u64_stats_update_begin(&stats->syncp); stats->rx_bytes += skb->len; |