MiReturnProcessCommitment

VOID __stdcall MiReturnProcessCommitment(_EPROCESS *Process, UINT64 QuotaCharge){
  _InterlockedExchangeAdd64((volatile signed __int64 *)&Process->CommitCharge, -(__int64)QuotaCharge);
}

Referenced by:

MiAllocateUserPhysicalPages
MiChargeFullProcessCommitment
MmCleanProcessAddressSpace
NtFreeUserPhysicalPages