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| author | Martin Schwidefsky | 2014-02-12 14:16:18 +0100 |
|---|---|---|
| committer | Martin Schwidefsky | 2014-02-21 08:50:22 +0100 |
| commit | ec66ad66a0de87866be347b5ecc83bd46427f53b (patch) | |
| tree | 5b11472a765b1da2ccd67ceb5f51cf53c46369e7 /arch/s390/Kconfig | |
| parent | mm: mask bits from pmd in pmd_lockptr/pmd_huge_pte (diff) | |
| download | kernel-qcow2-linux-ec66ad66a0de87866be347b5ecc83bd46427f53b.tar.gz kernel-qcow2-linux-ec66ad66a0de87866be347b5ecc83bd46427f53b.tar.xz kernel-qcow2-linux-ec66ad66a0de87866be347b5ecc83bd46427f53b.zip | |
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/Kconfig | 4 |
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" |