x86: syscall -- Add sys_prlimit64 call

We will need it for own prlimit proxy call.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

arch/x86/syscall-x86-64.def

@@ -82,6 +82,7 @@ __NR_signalfd4		289		sys_signalfd		(int fd, k_rtsigset_t *mask, size_t sizemask,
 __NR_rt_tgsigqueueinfo	297		sys_rt_tgsigqueueinfo	(pid_t tgid, pid_t pid, int sig, siginfo_t *info)
 __NR_fanotify_init	300		sys_fanotify_init	(unsigned int flags, unsigned int event_f_flags)
 __NR_fanotify_mark	301		sys_fanotify_mark	(int fanotify_fd, unsigned int flags, u64 mask, int dfd, const char *pathname)
+__NR_prlimit64		302		sys_prlimit64		(pid_t pid, unsigned int resource, const struct rlimit64 *new_rlim, struct rlimit64 *old_rlim)
 __NR_open_by_handle_at	304		sys_open_by_handle_at	(int mountdirfd, struct file_handle *handle, int flags)
 __NR_setns		308		sys_setns		(int fd, int nstype)
 __NR_kcmp		312		sys_kcmp		(pid_t pid1, pid_t pid2, int type, unsigned long idx1, unsigned long idx2)

include/syscall-types.h

@@ -60,6 +60,7 @@ struct robust_list_head;
 #define setns	sys_setns
 
 struct rlimit;
+struct rlimit64;
 
 struct krlimit {
 	unsigned long rlim_cur;