#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).
    ULONG RegionType;                      // Region type flags.
    SIZE_T RegionSize;                     // The combined size of pages in the region.
    SIZE_T CommitSize;                     // The commit charge associated with the allocation.
} MEMORY_REGION_INFORMATION, *PMEMORY_REGION_INFORMATION;

#endif
View code on GitHub