On Mon, May 22, 2017 at 6:25 PM, Punit Agrawal <[email protected]> wrote: > When unmapping a hugepage range, huge_pte_clear() is used to clear the > page table entries that are marked as not present. huge_pte_clear() > internally just ends up calling pte_clear() which does not correctly > deal with hugepages consisting of contiguous page table entries. > > Add a size argument to address this issue and allow architectures to > override huge_pte_clear() by wrapping it in a #ifndef block. > > Update s390 implementation with the size parameter as well. > > Note that the change only affects huge_pte_clear() - the other generic > hugetlb functions don't need any change. > > Signed-off-by: Punit Agrawal <[email protected]> > Cc: Martin Schwidefsky <[email protected]> > Cc: Heiko Carstens <[email protected]> > Cc: Arnd Bergmann <[email protected]> > Cc: "Aneesh Kumar K.V" <[email protected]> > Cc: Mike Kravetz <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
