diff --git a/arch/arm64/kernel/sys.c b/arch/arm64/kernel/sys.c
index f4e02f6aceb8250caa0ad3ef04d943451fe57292..f249d9735f4c1001d423ec6dc77f554432eaf522 100644
--- a/arch/arm64/kernel/sys.c
+++ b/arch/arm64/kernel/sys.c
@@ -29,9 +29,9 @@
 #include <asm/cpufeature.h>
 #include <asm/syscall.h>
 
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
-			 unsigned long prot, unsigned long flags,
-			 unsigned long fd, off_t off)
+SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
+		unsigned long, prot, unsigned long, flags,
+		unsigned long, fd, off_t, off)
 {
 	if (offset_in_page(off) != 0)
 		return -EINVAL;