Kirill A. Shutemov wrote: > On Mon, Mar 13, 2017 at 11:45:00AM -0400, Zi Yan wrote: >> From: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> >> >> Introduces CONFIG_ARCH_ENABLE_THP_MIGRATION to limit thp migration >> functionality to x86_64, which should be safer at the first step. >> >> Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> >> --- >> v1 -> v2: >> - fixed config name in subject and patch description >> --- >> arch/x86/Kconfig | 4 ++++ >> include/linux/huge_mm.h | 10 ++++++++++ >> mm/Kconfig | 3 +++ >> 3 files changed, 17 insertions(+) >> >> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig >> index 69188841717a..a24bc11c7aed 100644 >> --- a/arch/x86/Kconfig >> +++ b/arch/x86/Kconfig >> @@ -2276,6 +2276,10 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION >> def_bool y >> depends on X86_64 && HUGETLB_PAGE && MIGRATION >> >> +config ARCH_ENABLE_THP_MIGRATION >> + def_bool y >> + depends on X86_64 && TRANSPARENT_HUGEPAGE && MIGRATION >> + > > TRANSPARENT_HUGEPAGE implies MIGRATION due to COMPACTION. > Sure. I will change it to: +config ARCH_ENABLE_THP_MIGRATION + def_bool y + depends on X86_64 && TRANSPARENT_HUGEPAGE + Thanks. -- Best Regards, Yan Zi
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