CAP_LAST_CAP       82 include/linux/capability.h #define CAP_LAST_U32_VALID_MASK		(CAP_TO_MASK(CAP_LAST_CAP + 1) -1)
CAP_LAST_CAP      357 include/uapi/linux/capability.h #define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)