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Groups > linux.kernel > #1405530
| From | Yang Shi <yang.shi@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] mm: make CONFIG_DEFERRED_STRUCT_PAGE_INIT depends on !FLATMEM explicitly |
| Date | 2016-05-23 19:30 +0200 |
| Message-ID | <rC1PX-k3-1@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Per the suggestion from Michal Hocko [1], CONFIG_DEFERRED_STRUCT_PAGE_INIT should be incompatible with FLATMEM, make this explicitly in Kconfig. [1] http://lkml.kernel.org/r/20160523073157.GD2278@dhcp22.suse.cz Signed-off-by: Yang Shi <yang.shi@linaro.org> --- mm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/Kconfig b/mm/Kconfig index 2664c11..22fa818 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -649,6 +649,7 @@ config DEFERRED_STRUCT_PAGE_INIT default n depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT depends on MEMORY_HOTPLUG + depends on !FLATMEM help Ordinarily all struct pages are initialised during early boot in a single thread. On very large machines this can take a considerable -- 2.0.2
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[PATCH] mm: make CONFIG_DEFERRED_STRUCT_PAGE_INIT depends on !FLATMEM explicitly Yang Shi <yang.shi@linaro.org> - 2016-05-23 19:30 +0200
Re: [PATCH] mm: make CONFIG_DEFERRED_STRUCT_PAGE_INIT depends on !FLATMEM explicitly Michal Hocko <mhocko@kernel.org> - 2016-05-23 20:30 +0200
Re: [PATCH] mm: make CONFIG_DEFERRED_STRUCT_PAGE_INIT depends on !FLATMEM explicitly "Shi, Yang" <yang.shi@linaro.org> - 2016-05-23 20:40 +0200
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