diff --git a/include/linux/mm.h b/include/linux/mm.h
index e969019306e41a91533b676c0cc483334da8df74..ae07b46923d47e448334d881cf02330d61bcc816 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2411,6 +2411,7 @@ extern unsigned long do_mmap(struct file *file, unsigned long addr,
 	struct list_head *uf);
 extern int do_munmap(struct mm_struct *, unsigned long, size_t,
 		     struct list_head *uf);
+extern int do_madvise(unsigned long start, size_t len_in, int behavior);
 
 static inline unsigned long
 do_mmap_pgoff(struct file *file, unsigned long addr,
diff --git a/mm/madvise.c b/mm/madvise.c
index 519255997466cc36d647766e03ab4ac02cd6cb16..f6837ecc63208279ab0354ae14fa65a4d740f881 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1082,7 +1082,7 @@ madvise_behavior_valid(int behavior)
  *  -EBADF  - map exists, but area maps something that isn't a file.
  *  -EAGAIN - a kernel resource was temporarily unavailable.
  */
-SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
+int do_madvise(unsigned long start, size_t len_in, int behavior)
 {
 	unsigned long end, tmp;
 	struct vm_area_struct *vma, *prev;
@@ -1177,3 +1177,8 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
 
 	return error;
 }
+
+SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)
+{
+	return do_madvise(start, len_in, behavior);
+}