MAX_LOCKDEP_KEYS_BITS 199 include/linux/lockdep.h #define MAX_LOCKDEP_KEYS ((1UL << MAX_LOCKDEP_KEYS_BITS) - 1) MAX_LOCKDEP_KEYS_BITS 224 include/linux/lockdep.h unsigned int class_idx:MAX_LOCKDEP_KEYS_BITS; MAX_LOCKDEP_KEYS_BITS 257 kernel/lockdep.c #define CLASSHASH_BITS (MAX_LOCKDEP_KEYS_BITS - 1) MAX_LOCKDEP_KEYS_BITS 282 kernel/lockdep.c (((key1) << MAX_LOCKDEP_KEYS_BITS) ^ \ MAX_LOCKDEP_KEYS_BITS 283 kernel/lockdep.c ((key1) >> (64-MAX_LOCKDEP_KEYS_BITS)) ^ \