net: fix napi_reuse_skb() skb reserve
authorEric Dumazet <eric.dumazet@gmail.com>
Wed, 21 Mar 2012 06:58:03 +0000 (06:58 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 21 Mar 2012 20:52:09 +0000 (16:52 -0400)
commit2a2a459eeeff48640dc557548ce576d666ab06ed
tree01d4a817920961ff68d8bfca618d2d62817a4169
parent3556485f1595e3964ba539e39ea682acbb835cee
net: fix napi_reuse_skb() skb reserve

napi->skb is allocated in napi_get_frags() using
netdev_alloc_skb_ip_align(), with a reserve of NET_SKB_PAD +
NET_IP_ALIGN bytes.

However, when such skb is recycled in napi_reuse_skb(), it ends with a
reserve of NET_IP_ALIGN which is suboptimal.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/dev.c