Marc Zyngier <marc.zyngier@xxxxxxx> writes: > On 01/10/18 16:54, Punit Agrawal wrote: >> PageTransCompoundMap() returns true for hugetlbfs and THP >> hugepages. This behaviour incorrectly leads to stage 2 faults for >> unsupported hugepage sizes (e.g., 64K hugepage with 4K pages) to be >> treated as THP faults. >> >> Tighten the check to filter out hugetlbfs pages. This also leads to >> consistently mapping all unsupported hugepage sizes as PTE level >> entries at stage 2. >> >> Signed-off-by: Punit Agrawal <punit.agrawal@xxxxxxx> >> Reviewed-by: Suzuki Poulose <suzuki.poulose@xxxxxxx> >> Cc: Christoffer Dall <christoffer.dall@xxxxxxx> >> Cc: Marc Zyngier <marc.zyngier@xxxxxxx> >> Cc: stable@xxxxxxxxxxxxxxx # v4.13+ > > FWIW, I've cherry-picked that single patch from the series and queued > it for 4.20. Thanks for picking up the fix.
