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[NTOS:MM] Do not update ARM³ owned memory area

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Those are not inserted into a table and we don't use them.
This commit is contained in:
Timo Kreuzer 2024-04-05 21:09:44 +03:00
parent ec45b8fde8
commit 2696f1a29f
1 changed files with 0 additions and 22 deletions
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22
ntoskrnl/mm/ARM3/virtual.c
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@ -5230,7 +5230,6 @@ NtFreeVirtualMemory(IN HANDLE ProcessHandle,
IN PSIZE_T URegionSize,
IN ULONG FreeType)
{
PMEMORY_AREA MemoryArea;
SIZE_T PRegionSize;
PVOID PBaseAddress;
LONG_PTR AlreadyDecommitted, CommitReduction = 0;
@ -5391,15 +5390,6 @@ NtFreeVirtualMemory(IN HANDLE ProcessHandle,
//
ASSERT(Vad->u.VadFlags.NoChange == 0);
//
// Finally, make sure there is a ReactOS Mm MEMORY_AREA for this allocation
// and that is is an ARM3 memory area, and not a section view, as we currently
// don't support freeing those though this interface.
//
MemoryArea = MmLocateMemoryAreaByAddress(AddressSpace, (PVOID)StartingAddress);
ASSERT(MemoryArea);
ASSERT(MemoryArea->Type == MEMORY_AREA_OWNED_BY_ARM3);
//
// Now we can try the operation. First check if this is a RELEASE or a DECOMMIT
//
@ -5490,11 +5480,7 @@ NtFreeVirtualMemory(IN HANDLE ProcessHandle,
Vad,
Process);
Vad->u.VadFlags.CommitCharge -= CommitReduction;
// For ReactOS: shrink the corresponding memory area
ASSERT(Vad->StartingVpn == MemoryArea->VadNode.StartingVpn);
ASSERT(Vad->EndingVpn == MemoryArea->VadNode.EndingVpn);
Vad->StartingVpn = (EndingAddress + 1) >> PAGE_SHIFT;
MemoryArea->VadNode.StartingVpn = Vad->StartingVpn;
//
// After analyzing the VAD, set it to NULL so that we don't
@ -5524,11 +5510,7 @@ NtFreeVirtualMemory(IN HANDLE ProcessHandle,
Vad,
Process);
Vad->u.VadFlags.CommitCharge -= CommitReduction;
// For ReactOS: shrink the corresponding memory area
ASSERT(Vad->StartingVpn == MemoryArea->VadNode.StartingVpn);
ASSERT(Vad->EndingVpn == MemoryArea->VadNode.EndingVpn);
Vad->EndingVpn = (StartingAddress - 1) >> PAGE_SHIFT;
MemoryArea->VadNode.EndingVpn = Vad->EndingVpn;
}
else
{
@ -5582,12 +5564,8 @@ NtFreeVirtualMemory(IN HANDLE ProcessHandle,
//
// Adjust the end of the original VAD (first chunk).
// For ReactOS: shrink the corresponding memory area
//
ASSERT(Vad->StartingVpn == MemoryArea->VadNode.StartingVpn);
ASSERT(Vad->EndingVpn == MemoryArea->VadNode.EndingVpn);
Vad->EndingVpn = (StartingAddress - 1) >> PAGE_SHIFT;
MemoryArea->VadNode.EndingVpn = Vad->EndingVpn;
//
// Now the addresses for both VADs are consistent,