+extern int compat_ptrace_request(struct task_struct *child,
+ compat_long_t request,
+ compat_ulong_t addr, compat_ulong_t data);
+
+extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+ compat_ulong_t addr, compat_ulong_t data);
+asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
+ compat_long_t addr, compat_long_t data);
+
+/*
+ * epoll (fs/eventpoll.c) compat bits follow ...
+ */
+struct epoll_event;
+#define compat_epoll_event epoll_event
+asmlinkage long compat_sys_epoll_pwait(int epfd,
+ struct compat_epoll_event __user *events,
+ int maxevents, int timeout,
+ const compat_sigset_t __user *sigmask,
+ compat_size_t sigsetsize);
+
+asmlinkage long compat_sys_utimensat(unsigned int dfd, char __user *filename,
+ struct compat_timespec __user *t, int flags);
+
+asmlinkage long compat_sys_signalfd(int ufd,
+ const compat_sigset_t __user *sigmask,
+ compat_size_t sigsetsize);
+asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
+ const struct compat_itimerspec __user *utmr,
+ struct compat_itimerspec __user *otmr);
+asmlinkage long compat_sys_timerfd_gettime(int ufd,
+ struct compat_itimerspec __user *otmr);
+
+asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
+ __u32 __user *pages,
+ const int __user *nodes,
+ int __user *status,
+ int flags);
+asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename,
+ struct compat_timeval __user *t);
+asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename,
+ struct compat_stat __user *statbuf,
+ int flag);
+asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
+ int flags, int mode);
+
+extern ssize_t compat_rw_copy_check_uvector(int type,
+ const struct compat_iovec __user *uvector, unsigned long nr_segs,
+ unsigned long fast_segs, struct iovec *fast_pointer,
+ struct iovec **ret_pointer);