diff --git a/sdk/xtdk/i686/mmtypes.h b/sdk/xtdk/i686/mmtypes.h
index eb97748..46a1ce0 100644
--- a/sdk/xtdk/i686/mmtypes.h
+++ b/sdk/xtdk/i686/mmtypes.h
@@ -43,6 +43,9 @@
 /* Kernel HAL heap initial start address */
 #define MM_HARDWARE_HEAP_START_ADDRESS             ((PVOID)(((ULONG_PTR)MM_HARDWARE_VA_START) + 1024 * 1024))
 
+/* HAL memory pool page count */
+#define MM_HARDWARE_POOL_PAGE_COUNT                (4194304 / MM_PAGE_SIZE)
+
 /* HAL memory pool virtual address start */
 #define MM_HARDWARE_VA_START                       0xFFC00000