On Wed, May 17, 2017 at 04:23:34PM +0100, Punit Agrawal wrote: > When memory failure is enabled, a poisoned hugepage pte is marked as a > swap entry. huge_pte_offset() does not return the poisoned page table > entries when it encounters PUD/PMD hugepages. > > This behaviour of huge_pte_offset() leads to error such as below when > munmap is called on poisoned hugepages. > > [ 344.165544] mm/pgtable-generic.c:33: bad pmd 000000083af00074. > > Fix huge_pte_offset() to return the poisoned pte which is then > appropriately handled by the generic layer code. > > Signed-off-by: Punit Agrawal <punit.agra...@arm.com> > Acked-by: Steve Capper <steve.cap...@arm.com> > Cc: Catalin Marinas <catalin.mari...@arm.com> > Cc: David Woods <dwo...@mellanox.com>
Since the patch matches my suggestions in v1: Reviewed-by: Catalin Marinas <catalin.mari...@arm.com>
