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[NTOS:MM] Forward MmLocateMemoryAreaByAddress to MmLocateMemoryAreaByRegion

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Both functions do exactly the same.
This commit is contained in:
Timo Kreuzer 2024-04-05 20:37:25 +03:00
parent 31a693a035
commit 7b23673851
1 changed files with 5 additions and 40 deletions
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45
ntoskrnl/mm/marea.c
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@ -56,49 +56,14 @@ BOOLEAN MiRosKernelVadRootInitialized;
/* FUNCTIONS *****************************************************************/
PMEMORY_AREA NTAPI
PMEMORY_AREA
NTAPI
MmLocateMemoryAreaByAddress(
PMMSUPPORT AddressSpace,
PVOID Address_)
PVOID Address)
{
ULONG_PTR StartVpn = (ULONG_PTR)Address_ / PAGE_SIZE;
PEPROCESS Process;
PMM_AVL_TABLE Table;
PMMADDRESS_NODE Node;
PMEMORY_AREA MemoryArea;
TABLE_SEARCH_RESULT Result;
PMMVAD_LONG Vad;
Process = MmGetAddressSpaceOwner(AddressSpace);
Table = (Process != NULL) ? &Process->VadRoot : &MiRosKernelVadRoot;
Result = MiCheckForConflictingNode(StartVpn, StartVpn, Table, &Node);
if (Result != TableFoundNode)
{
return NULL;
}
Vad = (PMMVAD_LONG)Node;
if (Vad->u.VadFlags.Spare == 0)
{
/* Check if this is VM VAD */
if (Vad->ControlArea == NULL)
{
/* We store the reactos MEMORY_AREA here */
MemoryArea = (PMEMORY_AREA)Vad->FirstPrototypePte;
}
else
{
/* This is a section VAD. Store the MAREA here for now */
MemoryArea = (PMEMORY_AREA)Vad->u4.Banked;
}
}
else
{
MemoryArea = (PMEMORY_AREA)Node;
}
return MemoryArea;
/* Do it the simple way */
return MmLocateMemoryAreaByRegion(AddressSpace, Address, 1);
}
PMEMORY_AREA