MAX_LOCKDEP_CHAINS
struct lock_chain lock_chains[MAX_LOCKDEP_CHAINS];
static DECLARE_BITMAP(lock_chains_in_use, MAX_LOCKDEP_CHAINS);
DECLARE_BITMAP(lock_chains_being_freed, MAX_LOCKDEP_CHAINS);
pr_info("... MAX_LOCKDEP_CHAINS: %lu\n", MAX_LOCKDEP_CHAINS);
#define MAX_LOCKDEP_CHAIN_HLOCKS (MAX_LOCKDEP_CHAINS * AVG_LOCKDEP_CHAIN_DEPTH)
lock_chain_count(), MAX_LOCKDEP_CHAINS);