MiGetPfnChannel

NTSTATUS __stdcall MiGetPfnChannel(INT64 a1){
  if( *(&stru_140C4DB30 + 28) )
    return MiPageToChannel((a1 - (__int64)MmGetPfnDb()) / 48);
  else
    return 0;
}

Referenced by:

MiAllocateMdlPagesByLists
MiChangePageAttributeLargeFreeZeroPage
MiFreeListPageContentsChanged
MiGetPage
MiLargePageFreeToZero
MiLargePagePromote
MiPrivateFixup
MiPruneStandbyPages
MiReplaceLockedPage
MiReplaceNumaStandbyPage
MiSwapNumaStandbyPage
MiSwapStackPage
MiTradePage
MiTradeTransitionPage
MiTryUnlinkNodeLargePage
MiUnlinkNumaStandbyPage
MiZeroPage