From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 21 Mar 2012 06:58:03 +0000 (+0000)
Subject: net: fix napi_reuse_skb() skb reserve
X-Git-Tag: v3.2.14~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=905c221ccf34bd7be7947cab38b2b1296fe9243b;p=pandora-kernel.git

net: fix napi_reuse_skb() skb reserve

[ Upstream commit 2a2a459eeeff48640dc557548ce576d666ab06ed ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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