struct OBJECT_CREATE_INFORMATION

typedef struct _OBJECT_CREATE_INFORMATION
{
     ULONG Attributes;
     PVOID RootDirectory;
     PVOID ParseContext;
     CHAR ProbeMode;
     ULONG PagedPoolCharge;
     ULONG NonPagedPoolCharge;
     ULONG SecurityDescriptorCharge;
     PVOID SecurityDescriptor;
     PSECURITY_QUALITY_OF_SERVICE SecurityQos;
     SECURITY_QUALITY_OF_SERVICE SecurityQualityOfService;
} OBJECT_CREATE_INFORMATION, *POBJECT_CREATE_INFORMATION;

Windows Vista Kernel Structures