SMACK_HASH_SLOTS
extern struct hlist_head smack_known_hash[SMACK_HASH_SLOTS];
struct hlist_head smack_known_hash[SMACK_HASH_SLOTS];
head = &smack_known_hash[hash & (SMACK_HASH_SLOTS - 1)];
head = &smack_known_hash[hash & (SMACK_HASH_SLOTS - 1)];