Messages in this thread | | | Date | Wed, 7 Jun 2017 15:58:55 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v2 1/3] arm64: hugetlb: Fix huge_pte_offset to return poisoned page table entries |
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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.agrawal@arm.com> > Acked-by: Steve Capper <steve.capper@arm.com> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: David Woods <dwoods@mellanox.com>
Since the patch matches my suggestions in v1:
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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