take sys_rt_sigsuspend() prototype to linux/syscalls.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 2193653..6949c42 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -22,8 +22,6 @@
 asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
 asmlinkage time_t sys64_time(time_t __user * tloc);
 
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
-		size_t sigsetsize);
 asmlinkage long sys_sigaltstack(const stack_t __user *uss,
 		stack_t __user *uoss, unsigned long r5, unsigned long r6,
 		unsigned long r7, unsigned long r8, struct pt_regs *regs);
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 804e323..9ec3fed 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -57,7 +57,6 @@
 
 #ifdef CONFIG_PPC64
 #define sys_sigsuspend	compat_sys_sigsuspend
-#define sys_rt_sigsuspend	compat_sys_rt_sigsuspend
 #define sys_rt_sigreturn	compat_sys_rt_sigreturn
 #define sys_sigaction	compat_sys_sigaction
 #define sys_swapcontext	compat_sys_swapcontext
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h
index 6cf7c6c..08a23dd 100644
--- a/arch/xtensa/include/asm/syscall.h
+++ b/arch/xtensa/include/asm/syscall.h
@@ -26,4 +26,3 @@
 			  struct timespec __user *tsp,
 			  const sigset_t __user *sigmask,
 			  size_t sigsetsize);
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index 6a8d620..9e25a31 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -32,8 +32,4 @@
 asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
 #endif
 
-#ifndef sys_rt_sigsuspend
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
-#endif
-
 #endif /* __ASM_GENERIC_SYSCALLS_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 02b0450..66d298f 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -385,6 +385,8 @@
 asmlinkage long sys_sigsuspend(int unused1, int unused2, old_sigset_t mask);
 #endif
 
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
+
 #ifdef CONFIG_OLD_SIGACTION
 asmlinkage long sys_sigaction(int, const struct old_sigaction __user *,
 				struct old_sigaction __user *);