s390/mm: enable split page table lock for PMD level

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Add the pgtable_pmd_page_ctor/pgtable_pmd_page_dtor calls to the pmd
allocation and free functions and enable ARCH_ENABLE_SPLIT_PMD_PTLOCK
for 64 bit.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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This commit is contained in:

Martin Schwidefsky 2014-02-12 14:16:18 +01:00

parent 634391ace1

commit ec66ad66a0

3 changed files with 20 additions and 5 deletions

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4

arch/s390/Kconfig

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17

arch/s390/include/asm/pgalloc.h

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4

arch/s390/mm/pgtable.c

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