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API > API/Runtime > API/Runtime/Core > API/Runtime/Core/TMipFieldPageAllocator
Description
Marks the specified region as either allocated or free. The region must not already be in the specified state. NumPages must be a power of two, and PageIndex should be aligned so that it indexes the first page of a power-of-two region. i.e. PageIndex is a leftmost child of a subtree.
| Name | SetRegion_PowerOfTwo |
| Type | function |
| Header File | /Engine/Source/Runtime/Core/Public/HAL/MipFieldPageAllocator.h |
| Include Path | #include "HAL/MipFieldPageAllocator.h" |
void SetRegion_PowerOfTwo
(
uint64 PageIndex,
uint64 NumPages,
bool IsAllocated
)