--- /dev/null
+#ifndef __LUNAIX_REGION_H
+#define __LUNAIX_REGION_H
+
+#include <lunaix/mm/mm.h>
+#include <lunaix/process.h>
+
+void region_add(struct proc_info* proc, unsigned long start, unsigned long end, unsigned int attr);
+
+void region_release_all(struct proc_info* proc);
+
+struct mm_region* region_get(struct proc_info* proc, unsigned long vaddr);
+
+
+#endif /* __LUNAIX_REGION_H */