Hi Andy, On Wed, Aug 19, 2020 at 2:16 PM Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > - unsigned long bytes = io_tlb_nslabs << IO_TLB_SHIFT; > + unsigned long mb = (io_tlb_nslabs << IO_TLB_SHIFT) >> 20; Looks like an unrelated change.