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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>
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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arch/s390/Kconfig
+4
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@@ -415,6 +415,10 @@ config ARCH_ENABLE_MEMORY_HOTPLUG
config ARCH_ENABLE_MEMORY_HOTREMOVE
def_bool y
config ARCH_ENABLE_SPLIT_PMD_PTLOCK
def_bool y
depends on 64BIT
config FORCE_MAX_ZONEORDER
int
default "9"