Messages in this thread | | | From | Arnd Bergmann <> | Date | Mon, 22 May 2017 22:34:45 +0200 | Subject | Re: [PATCH v3.1 4/6] mm/hugetlb: Allow architectures to override huge_pte_clear() |
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On Mon, May 22, 2017 at 6:25 PM, Punit Agrawal <punit.agrawal@arm.com> 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 <punit.agrawal@arm.com> > Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> > Cc: Heiko Carstens <heiko.carstens@de.ibm.com> > Cc: Arnd Bergmann <arnd@arndb.de> > Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> > Cc: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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