Symbol: SKB_DATAREF_MASK
include/linux/skbuff.h
2032
(atomic_read(&skb_shinfo(skb)->dataref) & SKB_DATAREF_MASK) != 1;
include/linux/skbuff.h
2076
dataref = (dataref & SKB_DATAREF_MASK) - (dataref >> SKB_DATAREF_SHIFT);