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diff --git a/palacios/include/geekos/vmm_mem.h b/palacios/include/geekos/vmm_mem.h
new file mode 100644
index 0000000..dd6ec34
--- /dev/null
+++ b/palacios/include/geekos/vmm_mem.h
@@ -0,0 +1,34 @@
+#ifndef __VMM_MEM_H
+#define __VMM_MEM_H
+
+
+#include <geekos/ktypes.h>
+
+
+typedef struct mem_region {
+  ullong_t addr;
+  uint_t numPages;
+
+  struct mem_region * next;
+  struct mem_region * prev;
+} mem_region_t;
+
+
+typedef struct vmm_mem_map {
+  uint_t num_pages;
+  bool long_mode;
+
+  uint_t num_regions;
+  mem_region_t * head;
+  mem_region_t * tail;
+} vmm_mem_map_t;
+
+
+void init_mem_map(vmm_mem_map_t * map);
+
+void add_pages(vmm_mem_map_t * map, ullong_t addr, uint_t numPages);
+int remove_pages(vmm_mem_map_t * map, ullong_t addr, uint_t numPages);
+
+
+
+#endif