LOCK_ADDRESS_SPACE_SHARED

VOID __stdcall LOCK_ADDRESS_SPACE_SHARED(_ETHREAD *Thread, _EPROCESS *Process){
  --*((_WORD *)Thread + 243);
  ExAcquirePushLockSharedEx((UINT64)Process + 1224, 0i64);
  *((_BYTE *)Thread + 1304) |= 2u;
}

Referenced by:

MiAllocateUserPhysicalPages
MiCfgInitializeProcess
MiCreateLargePageVad
MiFreeLargePageView
MiHotPatchProcess
MiLockVadRange
MmCheckForSafeExecution
MmCleanProcessAddressSpace
MmEnumerateAddressSpaceAndReferenceImages
MmGetImageInformation
MmIsFileMapped
MmQueryVirtualMemory