struct _MI_SYSTEM_REGION_ANCHOR// Size=0x4
{
    unsigned long ReferenceCount:31;// Offset=0x0 Size=0x4 BitOffset=0x0 BitSize=0x1f
    unsigned long BeingDeleted:1;// Offset=0x0 Size=0x4 BitOffset=0x1f BitSize=0x1
};