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Refactor big allocation tracker to use Tag
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This commit is contained in:
Aiken Harris
2026-03-23 12:38:31 +01:00
parent b97babb2bf
commit 597628a644
2 changed files with 9 additions and 8 deletions
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10
xtoskrnl/mm/alloc.cc
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@@ -1282,8 +1282,8 @@ MM::Allocator::InitializeBigAllocationsTable(VOID)
* @param VirtualAddress
* Supplies the virtual address of the big allocation.
*
* @param Key
* Supplies the key used to identify the allocation.
* @param Tag
* Supplies the tag used to identify the allocation.
*
* @param NumberOfPages
* Supplies the number of physical pages backing the allocation.
@@ -1298,7 +1298,7 @@ MM::Allocator::InitializeBigAllocationsTable(VOID)
BOOLEAN
XTAPI
MM::Allocator::RegisterBigAllocationTag(IN PVOID VirtualAddress,
IN ULONG Key,
IN ULONG Tag,
IN ULONG NumberOfPages,
IN MMPOOL_TYPE PoolType)
{
@@ -1336,8 +1336,8 @@ MM::Allocator::RegisterBigAllocationTag(IN PVOID VirtualAddress,
if((ULONG_PTR)Entry->VirtualAddress & MM_POOL_BIG_ALLOCATIONS_ENTRY_FREE)
{
/* Populate the available bucket with the allocation metadata */
Entry->Key = Key;
Entry->NumberOfPages = NumberOfPages;
Entry->Tag = Tag;
Entry->VirtualAddress = VirtualAddress;
/* Increment the global usage counter */
@@ -1455,7 +1455,7 @@ MM::Allocator::UnregisterBigAllocationTag(IN PVOID VirtualAddress,
{
/* Capture the allocation metadata */
*NumberOfPages = Entry->NumberOfPages;
PoolTag = Entry->Key;
PoolTag = Entry->Tag;
/* Invalidate the entry */
Entry->VirtualAddress = (PVOID)MM_POOL_BIG_ALLOCATIONS_ENTRY_FREE;