From 91bdeaeb09871a43933074cdb211c30cf9482e1d Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Tue, 9 May 2023 23:24:22 +0300
Subject: [PATCH] cleanup

---
 ntoskrnl/mm/ARM3/pfnlist.c | 2 +-
 ntoskrnl/mm/ARM3/procsup.c | 2 +-
 ntoskrnl/mm/amd64/kstack.c | 6 ++----
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/ntoskrnl/mm/ARM3/pfnlist.c b/ntoskrnl/mm/ARM3/pfnlist.c
index 50eb3a9eddd..fee3b542ea5 100644
--- a/ntoskrnl/mm/ARM3/pfnlist.c
+++ b/ntoskrnl/mm/ARM3/pfnlist.c
@@ -1144,7 +1144,7 @@ MiDecrementShareCount(IN PMMPFN Pfn1,
 
     DPRINT("Decrementing %p from %p\n", Pfn1, _ReturnAddress());
 
-    if (Pfn1->Dbg1.IsStackPfn) __debugbreak();
+    //if (Pfn1->Dbg1.IsStackPfn) __debugbreak();
 
     /* Page must be in-use */
     if ((Pfn1->u3.e1.PageLocation != ActiveAndValid) &&
diff --git a/ntoskrnl/mm/ARM3/procsup.c b/ntoskrnl/mm/ARM3/procsup.c
index 8c38c6c802a..8576f2d3662 100644
--- a/ntoskrnl/mm/ARM3/procsup.c
+++ b/ntoskrnl/mm/ARM3/procsup.c
@@ -237,7 +237,7 @@ MmDeleteKernelStack(IN PVOID StackBase,
             Pfn1 = MiGetPfnEntry(PageFrameNumber);
             if (Pfn1->u3.e1.PageLocation != ActiveAndValid) __debugbreak();
 
-            PointerPte->u.Long = 0;
+            //PointerPte->u.Long = 0;
 
             /* Now get the page of the page table mapping it */
             PageTableFrameNumber = Pfn1->u4.PteFrame;
diff --git a/ntoskrnl/mm/amd64/kstack.c b/ntoskrnl/mm/amd64/kstack.c
index e0f96aa72d0..62611bcacec 100644
--- a/ntoskrnl/mm/amd64/kstack.c
+++ b/ntoskrnl/mm/amd64/kstack.c
@@ -189,10 +189,8 @@ MiReleaseKernelStackPtes(
     ASSERT(NumberOfPtes <= MI_STACK_PAGES);
     ASSERT(IS_ALIGNED(MiPteToAddress(FirstPte), MI_STACK_SIZE));
 
-    for (ULONG i = 0; i < MI_STACK_PAGES; i++)
-    {
-        if (FirstPte[i].u.Hard.Valid) __debugbreak();
-    }
+    /* Zero the PTEs */
+    RtlZeroMemory(FirstPte, MI_STACK_PAGES * sizeof(MMPTE));
 
     KeAcquireSpinLock(&MiStackPteSpinLock, &OldIrql);