KTIME_MAX 53 include/linux/ktime.h return (ktime_t){ .tv64 = KTIME_MAX }; KTIME_MAX 32 include/linux/time64.h #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) KTIME_MAX 392 include/linux/wait.h if ((timeout).tv64 != KTIME_MAX) \