From 74a2c6ba4269bcdfcfba92284fed65bf4ebf7d92 Mon Sep 17 00:00:00 2001
From: Thomas Faber <thomas.faber@reactos.org>
Date: Sun, 8 Mar 2020 20:03:33 +0100
Subject: [PATCH] [NTOS:MM] Initialize MmSubsectionBase on x86 builds.
 CORE-16731

Spotted by Vadim Galyant.
---
 ntoskrnl/mm/ARM3/i386/init.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ntoskrnl/mm/ARM3/i386/init.c b/ntoskrnl/mm/ARM3/i386/init.c
index 79ed102c230..bd14a83e19b 100644
--- a/ntoskrnl/mm/ARM3/i386/init.c
+++ b/ntoskrnl/mm/ARM3/i386/init.c
@@ -418,6 +418,8 @@ MiInitMachineDependent(IN PLOADER_PARAMETER_BLOCK LoaderBlock)
         StartPde++;
     }
 
+    MmSubsectionBase = (ULONG_PTR)MmNonPagedPoolStart;
+
     //
     // Now remember where the expansion starts
     //