Re: [PATCH 6/6] powerpc/compat_sys: Declare syscalls

This fixes a compile error with W=1.

Cc: Christophe Leroy <redacted>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 arch/powerpc/include/asm/syscalls.h | 31 +++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 398171fdcd9f..1d5f2abaa38a 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h

@@ -6,6 +6,7 @@
 #include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <linux/types.h>
+#include <linux/compat.h>
 
 struct rtas_args;
 

@@ -18,5 +19,35 @@ asmlinkage long sys_mmap2(unsigned long addr, size_t len,
 asmlinkage long ppc64_personality(unsigned long personality);
 asmlinkage long sys_rtas(struct rtas_args __user *uargs);
 
+#ifdef CONFIG_COMPAT
+unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
+			       unsigned long prot, unsigned long flags,
+			       unsigned long fd, unsigned long pgoff);
+
+compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
+				  u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
+				   u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count);
+
+asmlinkage int compat_sys_truncate64(const char __user *path, u32 reg4,
+				     unsigned long len1, unsigned long len2);