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(parent: e32123e) | patch
net: add function to allocate sk_buff head without data area
authorPatrick McHardy <kaber@trash.net>
Wed, 17 Apr 2013 06:46:58 +0000 (06:46 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 19 Apr 2013 18:57:57 +0000 (14:57 -0400)
commit0ebd0ac5ff01ebf412e1bd3c33620ef7ffc5d866
tree0f91f0bb25b2674c97ac97ff05e572f6d2394562tree | snapshot (tar.gz zip)
parente32123e59871b9389d5b3fe9318611c7f1d1307acommit | diff
net: add function to allocate sk_buff head without data area

Add a function to allocate a sk_buff head without any data. This will
be used by memory mapped netlink to attach data from the mmaped area
to the skb.

Additionally change skb_release_all() to check whether the skb has a
data area to allow the skb destructor to clear the data pointer in case
only a head has been allocated.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/skbuff.h diff | blob | blame | history
net/core/skbuff.c diff | blob | blame | history