diff --git a/cur/linux/include/linux/mm.h b/cur/linux/include/linux/mm.h
new file mode 100644
index 0000000..5a160f3
--- /dev/null
+++ b/cur/linux/include/linux/mm.h
@@ -0,0 +1,10 @@
+#ifndef _MM_H
+#define _MM_H
+
+#define PAGE_SIZE 4096
+
+extern unsigned long get_free_page(void);
+extern unsigned long put_page(unsigned long page,unsigned long address);
+extern void free_page(unsigned long addr);
+
+#endif