struct OBJECT_HEADER_QUOTA_INFO

typedef struct _OBJECT_HEADER_QUOTA_INFO
{
     ULONG PagedPoolCharge;
     ULONG NonPagedPoolCharge;
     ULONG SecurityDescriptorCharge;
     PEPROCESS ExclusiveProcess;
} OBJECT_HEADER_QUOTA_INFO, *POBJECT_HEADER_QUOTA_INFO;

Windows Vista Kernel Structures