MmStoreDecommitVirtualMemory

VOID __stdcall MmStoreDecommitVirtualMemory(VOID *VirtualAddress, UINT64 Size){
  _EPROCESS *Process; 
  _MMVAD *Address; 
  char v6; 
  UINT64 v7; 
  _MMVAD_SHORT *p_Core; 
  UINT64 v9; 
  _MI_DELETE_VA_INFO DeleteInfo; 
  __int128 v11; 
  __int128 v12; 

  DeleteInfo = 0i64;
  v11 = 0i64;
  v12 = 0i64;
  Process = KeGetCurrentThread()->ApcState.Process;
  MiLockWorkingSetShared();
  Address = MiLocateAddress(VirtualAddress);
  LOBYTE(v7) = v6;
  p_Core = &Address->Core;
  MiUnlockWorkingSetShared(&Process->Vm.Instance, v7);
  LODWORD(v9) = 0;
  MiDecommitPages(
    VirtualAddress,
    (_MMPTE *)((char *)MmGetPteBase() + ((((unsigned __int64)VirtualAddress + Size - 1) >> 9) & 0x7FFFFFFFF8i64)),
    (ULONG_PTR)Process,
    p_Core,
    v9,
    &DeleteInfo);
}

Referenced by:

SMKM_STORE::SmStReleaseVirtualRegion
ST_STORE::StCompactionPerformEmergency