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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-03-27 12:28:25 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-03-28 16:54:32 +0200 |
| commit | fd15a1f333ff5c55be8d3d94ac4c609afe2fd79f (patch) | |
| tree | dbf780442a0dd94fce5cac63f454fbcf6d13438a /arch | |
| parent | s390/MAINTAINERS: add gmap.c to kvm maintainers (diff) | |
| download | linux-dev-fd15a1f333ff5c55be8d3d94ac4c609afe2fd79f.tar.xz linux-dev-fd15a1f333ff5c55be8d3d94ac4c609afe2fd79f.zip | |
s390: enable ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
Deferred struct page initialization works on s390. However it makes
only sense for the fake numa case, since the kthreads that initialize
struct pages are started per node. Without fake numa there is just a
single node and therefore no gain.
However there is no reason to not enable this feature. Therefore
select the config option and enable the feature in all config files.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/Kconfig | 1 | ||||
| -rw-r--r-- | arch/s390/configs/default_defconfig | 1 | ||||
| -rw-r--r-- | arch/s390/configs/gcov_defconfig | 1 | ||||
| -rw-r--r-- | arch/s390/configs/performance_defconfig | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1521edafdd15..fc842c4bd720 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -105,6 +105,7 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_SAVE_PAGE_KEYS if HIBERNATION select ARCH_SUPPORTS_ATOMIC_RMW + select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig index 4b176fe83da4..a5039fa89314 100644 --- a/arch/s390/configs/default_defconfig +++ b/arch/s390/configs/default_defconfig @@ -73,6 +73,7 @@ CONFIG_ZSWAP=y CONFIG_ZBUD=m CONFIG_ZSMALLOC=m CONFIG_ZSMALLOC_STAT=y +CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_IDLE_PAGE_TRACKING=y CONFIG_PCI=y CONFIG_PCI_DEBUG=y diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig index 0de46cc397f6..83970b5afb2b 100644 --- a/arch/s390/configs/gcov_defconfig +++ b/arch/s390/configs/gcov_defconfig @@ -72,6 +72,7 @@ CONFIG_ZSWAP=y CONFIG_ZBUD=m CONFIG_ZSMALLOC=m CONFIG_ZSMALLOC_STAT=y +CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_IDLE_PAGE_TRACKING=y CONFIG_PCI=y CONFIG_HOTPLUG_PCI=y diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig index e167557b434c..fbc6542aaf59 100644 --- a/arch/s390/configs/performance_defconfig +++ b/arch/s390/configs/performance_defconfig @@ -70,6 +70,7 @@ CONFIG_ZSWAP=y CONFIG_ZBUD=m CONFIG_ZSMALLOC=m CONFIG_ZSMALLOC_STAT=y +CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_IDLE_PAGE_TRACKING=y CONFIG_PCI=y CONFIG_HOTPLUG_PCI=y |