diff --git a/inc/phnt/ntexapi.h b/inc/phnt/ntexapi.h
index 47dbf28..815ee07 100644
--- a/inc/phnt/ntexapi.h
+++ b/inc/phnt/ntexapi.h
@@ -1394,7 +1394,7 @@ typedef enum _SYSTEM_INFORMATION_CLASS
     SystemSecureDumpEncryptionInformation,
     SystemWriteConstraintInformation, // SYSTEM_WRITE_CONSTRAINT_INFORMATION
     SystemKernelVaShadowInformation, // SYSTEM_KERNEL_VA_SHADOW_INFORMATION
-    SystemHypervisorSharedPageInformation, // REDSTONE4
+    SystemHypervisorSharedPageInformation, // SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION // REDSTONE4
     SystemFirmwareBootPerformanceInformation,
     SystemCodeIntegrityVerificationInformation,
     SystemFirmwarePartitionInformation, // 200
@@ -3103,6 +3103,12 @@ typedef struct _SYSTEM_KERNEL_VA_SHADOW_INFORMATION
     };
 } SYSTEM_KERNEL_VA_SHADOW_INFORMATION, *PSYSTEM_KERNEL_VA_SHADOW_INFORMATION;
 
+// private
+typedef struct _SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION
+{
+    PVOID HypervisorSharedUserVa;
+} SYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION, *PSYSTEM_HYPERVISOR_SHARED_PAGE_INFORMATION;
+
 // private
 typedef struct _SYSTEM_SPECULATION_CONTROL_INFORMATION
 {
diff --git a/inc/phnt/ntmmapi.h b/inc/phnt/ntmmapi.h
index 2ae1234..f9c37b4 100644
--- a/inc/phnt/ntmmapi.h
+++ b/inc/phnt/ntmmapi.h
@@ -136,6 +136,15 @@ typedef struct _MEMORY_REGION_INFORMATION
     SIZE_T CommitSize;
 } MEMORY_REGION_INFORMATION, *PMEMORY_REGION_INFORMATION;
 
+// private 
+typedef enum _MEMORY_WORKING_SET_EX_LOCATION
+{
+    MemoryLocationInvalid,
+    MemoryLocationResident,
+    MemoryLocationPagefile,
+    MemoryLocationReserved
+} MEMORY_WORKING_SET_EX_LOCATION;
+
 // private
 typedef struct _MEMORY_WORKING_SET_EX_BLOCK
 {