Network Drop Monitor: Add trace declaration for skb frees

Signed-off-by: Neil Horman <[email protected]>

 include/trace/skb.h   |    8 ++++++++
 net/core/Makefile     |    2 ++
 net/core/net-traces.c |   29 +++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+)
Signed-off-by: David S. Miller <[email protected]>
3 files changed