On 07/05/2024 12:13, David Hildenbrand wrote: > >> https://github.com/intel/lmbench/blob/master/src/lat_mem_rd.c#L95 >> >>> suggest. If you want to try something semi-randomly; it might be useful to rule >>> out the arm64 contpte feature. I don't see how that would be interacting here if >>> mTHP is disabled (is it?). But its new for 6.9 and arm64 only. Disable with >>> ARM64_CONTPTE (needs EXPERT) at compile time. >> I don't enabled mTHP, so it should be not related about ARM64_CONTPTE, >> but will have a try. > > cont-pte can get active if we're just lucky when allocating pages in the right > order, correct Ryan? No it shouldn't do; it requires the pages to be in the same folio.