From 7cb3d1764b9fd83a80c64644034012af705e18f0 Mon Sep 17 00:00:00 2001
From: Aiken Harris <harraiken91@gmail.com>
Date: Mon, 29 Dec 2025 10:28:12 +0100
Subject: [PATCH] Initialize paged pool sizing logic

---
 xtoskrnl/mm/i686/mmgr.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xtoskrnl/mm/i686/mmgr.cc b/xtoskrnl/mm/i686/mmgr.cc
index 478b228..a064930 100644
--- a/xtoskrnl/mm/i686/mmgr.cc
+++ b/xtoskrnl/mm/i686/mmgr.cc
@@ -42,6 +42,14 @@ MM::Manager::InitializeMemoryLayout(VOID)
         NumberOfSystemPtes = MM_MAXIMUM_NUMBER_SYSTEM_PTES;
     }
 
+    /* Calculate size of paged pool */
+    PtesPerPage = MM::Pte::GetPtesPerPage();
+    PteCount = (SIZE_TO_PAGES(33554432) + (PtesPerPage - 1)) / PtesPerPage;
+    PagedPoolSize = PteCount * PtesPerPage * MM_PAGE_SIZE;
+
+    /* Retrieve the PFN database size */
+    PfnDatabaseSize = MM::Pfn::GetPfnDatabaseSize();
+
     /* Check if 3-level paging (PAE) is enabled */
     if(MM::Paging::GetXpaStatus())
     {