MiLockDynamicMemoryExclusive

void __fastcall MiLockDynamicMemoryExclusive(__int64 a1, __int64 a2){
  --*(_WORD *)(a2 + 486);
  ExAcquirePushLockExclusiveEx(a1 + 192, 0i64);
}

Referenced by:

MiAddPhysicalMemory
MiGetChannelInformation
MiGetPhysicalMemoryRanges
MiMarkHugePfnBad
MiMarkHugePfnGood
MiRemovePhysicalMemory
MiUpdatePartitionLargePfnBitMap
MmDuplicateMemory