_RTL_MEMORY_TYPE

Windows 11 Insider Preview (Jun 2021)
Windows 11 21H2 (Original Release, Cobalt)
Windows 11 22H2 (2022 Update, Nickel R1)
//0x4 bytes (sizeof)
enum _RTL_MEMORY_TYPE
{
    MemoryTypePaged = 0,
    MemoryTypeNonPaged = 1,
    MemoryType64KPage = 2,
    MemoryTypeLargePage = 3,
    MemoryTypeHugePage = 4,
    MemoryTypeMax = 5
};