__int64 __fastcall MiUnlinkSessionWorkingSet(__int64 a1){
__int64 result;
struct _KLOCK_QUEUE_HANDLE LockHandle;
memset(&LockHandle, 0, sizeof(LockHandle));
KeAcquireInStackQueuedSpinLock(&WorkerRoutine, &LockHandle);
MiUnlinkWorkingSet((_MMSUPPORT_INSTANCE *)(a1 + 256), &LockHandle);
KeReleaseInStackQueuedSpinLockFromDpcLevel(&LockHandle);
result = (unsigned int)KiIrqlFlags;
__writecr8(LockHandle.OldIrql);
return result;
}