From aced62e790f58501cb6ee2ba78dc288140efef36 Mon Sep 17 00:00:00 2001
From: Aiken Harris <harraiken91@gmail.com>
Date: Mon, 29 Dec 2025 19:27:30 +0100
Subject: [PATCH] Prevent initialization of invisible memory ranges

---
 xtoskrnl/mm/pfn.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/xtoskrnl/mm/pfn.cc b/xtoskrnl/mm/pfn.cc
index 93379f7..ac5d5a0 100644
--- a/xtoskrnl/mm/pfn.cc
+++ b/xtoskrnl/mm/pfn.cc
@@ -493,6 +493,10 @@ MM::Pfn::ProcessMemoryDescriptor(IN PFN_NUMBER BasePage,
             LinkFreePage(CurrentPage);
         }
     }
+    else if(MM::Manager::VerifyMemoryTypeInvisible(MemoryType))
+    {
+        /* This memory range should never be used, skip it */
+    }
     else
     {
         /* Handle all other (non-free) memory types */