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authorMartin Schwidefsky2014-02-12 14:16:18 +0100
committerMartin Schwidefsky2014-02-21 08:50:22 +0100
commitec66ad66a0de87866be347b5ecc83bd46427f53b (patch)
tree5b11472a765b1da2ccd67ceb5f51cf53c46369e7 /arch/s390/Kconfig
parentmm: mask bits from pmd in pmd_lockptr/pmd_huge_pte (diff)
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s390/mm: enable split page table lock for PMD level
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>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 65a07750f4f9..86db5a8e6586 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -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"