asmlinkage long sys_openat2(int dfd, const char __user *filename,
struct open_how *how, size_t size);
asmlinkage long sys_close(unsigned int fd);
+asmlinkage long sys_close_range(unsigned int fd, unsigned int max_fd,
+ unsigned int flags);
asmlinkage long sys_vhangup(void);
/* fs/pipe.c */