#ifndef _NTMMAPI_H

// private
typedef struct _MEMORY_REGION_INFORMATION
{
    PVOID AllocationBase;                             // Base address of the allocation.
    ULONG AllocationProtect;                          // Page protection when the allocation was created (individual pages can be different from this value).
    union
    {
        ULONG RegionType;
        struct
        {
            ULONG Private : 1;                        // Region is private to the process (not shared).
            ULONG MappedDataFile : 1;                 // Region is a mapped view of a data file (read/write data mapping).
            ULONG MappedImage : 1;                    // Region is a mapped view of an image file (executable/DLL mapping).
            ULONG MappedPageFile : 1;                 // Region is a mapped view of a pagefile-backed section.
            ULONG MappedPhysical : 1;                 // Region is a mapped view of the \Device\PhysicalMemory section.
            ULONG DirectMapped : 1;                   // Region is a mapped view of a direct-mapped file.
            ULONG SoftwareEnclave : 1;                // Region is a mapped view of a software enclave. // since REDSTONE3
            ULONG PageSize64K : 1;                    // Region uses 64 KB page size.
            ULONG PlaceholderReservation : 1;         // Region uses placeholder reservations. // since REDSTONE4
            ULONG MappedAwe : 1; // 21H1              // Region uses Address Windowing Extensions (AWE).
            ULONG MappedWriteWatch : 1;               // Region uses write-watch protection.
            ULONG PageSizeLarge : 1;                  // Region uses large page size.
            ULONG PageSizeHuge : 1;                   // Region uses huge page size.
            ULONG Reserved : 19;
        };
    };
    SIZE_T RegionSize;                                // The combined size of pages in the region.
    SIZE_T CommitSize;                                // The commit charge associated with the allocation.
    ULONG_PTR PartitionId; // 19H1
    ULONG_PTR NodePreference; // 20H1
} MEMORY_REGION_INFORMATION, *PMEMORY_REGION_INFORMATION;

#endif
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