2 files changed, 2 insertions, 2 deletions

diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index 992a7e1e0fca..615f2f0a32d0 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -31,7 +31,7 @@ extern unsigned long uml_physmem;
 extern unsigned long uml_reserved;
 extern unsigned long end_vm;
 extern unsigned long start_vm;
-extern unsigned long highmem;
+extern unsigned long long highmem;
 
 extern char host_info[];
 
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 92cce96b5e24..44e41a35f000 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -30,7 +30,7 @@ extern char __binary_start;
 unsigned long *empty_zero_page = NULL;
 unsigned long *empty_bad_page = NULL;
 pgd_t swapper_pg_dir[PTRS_PER_PGD];
-unsigned long highmem;
+unsigned long long highmem;
 int kmalloc_ok = 0;
 
 static unsigned long brk_end;