__NR_process_mrelease
__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
__SYSCALL(__NR_process_mrelease, sys_process_mrelease)
success = (syscall(__NR_process_mrelease, pidfd, 0) == 0);
if (!syscall(__NR_process_mrelease, pidfd, (unsigned int)-1) ||
if (!syscall(__NR_process_mrelease, pidfd, 0) || errno != EINVAL)
if (!syscall(__NR_process_mrelease, -1, 0) || errno != EBADF) {