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s390: enable ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT

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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>
This commit is contained in:
Heiko Carstens
2017-03-27 12:28:25 +02:00
committed by Martin Schwidefsky
parent b8f9828034
commit fd15a1f333
4 changed files with 4 additions and 0 deletions
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arch/s390/configs/default_defconfig
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@@ -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