struct _MMPAGE_FILE_EXPANSION {
unsigned long RequestedExpansionSize;/* 0x10 4 */
unsigned long ActualExpansion;/* 0x14 4 */
volatile long InProgress;/* 0x28 4 */
union {
unsigned long LongFlags;/* 0x2c 4 */
} u1;/* 0x2c 4 */
void** ActiveEntry;/* 0x30 4 */
};