Add interface to retrieve page map level (PML)

xtoskrnl/mm/paging.cc

@@ -189,6 +189,20 @@ MM::Paging::GetPageMapBasicRoutines(VOID)
     return &PageMapBasicRoutines;
 }
 
+/**
+ * Gets Page Map Level (PML) for current paging mode.
+ *
+ * @return This routine returns the page map level.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+USHORT
+MM::Paging::GetPageMapLevel()
+{
+    return PmlRoutines->GetPageMapLevel();
+}
+
 /**
  * Gets the page map routines for eXtended Physical Addressing (XPA) mode.
  *