_POOL_BLOCK_HEAD

Windows 8.1 | Server 2012R2 Update 1
Windows 10 1507 (Original Release, Threshold 1)
  Next
//0x20 bytes (sizeof)
struct _POOL_BLOCK_HEAD
{
    struct _POOL_HEADER Header;                                             //0x0
    struct _LIST_ENTRY List;                                                //0x10
};