sys_kcmp
asmlinkage long sys_kcmp(pid_t pid1, pid_t pid2, int type,
__SYSCALL(__NR_kcmp, sys_kcmp)
__SYSCALL(__NR_kcmp, sys_kcmp)
sys_kcmp(pid1, pid2, KCMP_FILE, fd1, fd2),
sys_kcmp(pid1, pid2, KCMP_FILES, 0, 0),
sys_kcmp(pid1, pid2, KCMP_VM, 0, 0),
sys_kcmp(pid1, pid2, KCMP_FS, 0, 0),
sys_kcmp(pid1, pid2, KCMP_SIGHAND, 0, 0),
sys_kcmp(pid1, pid2, KCMP_IO, 0, 0),
sys_kcmp(pid1, pid2, KCMP_SYSVSEM, 0, 0),
sys_kcmp(pid1, pid2, KCMP_TYPES + 1, 0, 0));
ret = sys_kcmp(pid1, pid2, KCMP_FILE, fd1, fd1);
ret = sys_kcmp(pid1, pid1, KCMP_VM, 0, 0);
ret = sys_kcmp(pid1, pid1, KCMP_EPOLL_TFD, pipefd[1],
ret = sys_kcmp(getpid(), self->pid, KCMP_FILE, fd, self->remote_fd);