1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/include/mem_user.h b/arch/um/include/mem_user.h
index 9fef4123a65..a1064c5823b 100644
--- a/arch/um/include/mem_user.h
+++ b/arch/um/include/mem_user.h
@@ -57,7 +57,7 @@ extern int init_maps(unsigned long physmem, unsigned long iomem,
                      unsigned long highmem);
 extern unsigned long get_vm(unsigned long len);
 extern void setup_physmem(unsigned long start, unsigned long usable,
-                          unsigned long len, unsigned long highmem);
+                          unsigned long len, unsigned long long highmem);
 extern void add_iomem(char *name, int fd, unsigned long size);
 extern unsigned long phys_offset(unsigned long phys);
 extern void unmap_physmem(void);