LOCK_PAGE_TABLE_COMMITMENT

VOID __stdcall LOCK_PAGE_TABLE_COMMITMENT(_ETHREAD *Thread, _EPROCESS *Process){
  --Thread->Tcb.SpecialApcDisable;
  ExAcquirePushLockExclusiveEx(&Process->PageTableCommitmentLock, 0i64);
}

Referenced by:

MiAllocateFromSubAllocatedRegion
MiAllocateNewSubAllocatedRegion
MiDeleteEmptyPageTables
MiFreeToSubAllocatedRegion
MiInsertVadCharges
MmAssignProcessToJob