lkml.org 
[lkml]   [2017]   [Mar]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v4 04/11] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION
    On Mon, Mar 13, 2017 at 11:45:00AM -0400, Zi Yan wrote:
    > From: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
    >
    > 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@ah.jp.nec.com>
    > ---
    > 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.


    --
    Kirill A. Shutemov

    \
     
     \ /
      Last update: 2017-03-24 15:11    [W:4.951 / U:0.196 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site