The patch titled
Subject: arm64 Kconfig: select gigantic page
has been added to the -mm tree. Its filename is
arm64-kconfig-select-gigantic-page.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arm64-kconfig-select-gigantic-page.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arm64-kconfig-select-gigantic-page.patch
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------------------------------------------------------
From: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Subject: arm64 Kconfig: select gigantic page
Arm64 supports gigantic page after 084bd29810a5 ("ARM64: mm: HugeTLB
support.") however, it can only be allocated at boottime and can't be
freed.
This patch selects ARCH_HAS_GIGANTIC_PAGE to make gigantic pages can be
allocated and freed at runtime for arch arm64.
Link: http://lkml.kernel.org/r/1475227569-63446-3-git-send-email-xieyisheng1@xxxxxxxxxx
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx>
Cc: Hanjun Guo <guohanjun@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Sudeep Holla <sudeep.holla@xxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff -puN arch/arm64/Kconfig~arm64-kconfig-select-gigantic-page arch/arm64/Kconfig
--- a/arch/arm64/Kconfig~arm64-kconfig-select-gigantic-page
+++ a/arch/arm64/Kconfig
@@ -9,6 +9,7 @@ config ARM64
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_KCOV
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
_
Patches currently in -mm which might be from xieyisheng1@xxxxxxxxxx are
mm-page_isolation-fix-typo-paes-pages.patch
mm-hugetlb-introduce-arch_has_gigantic_page.patch
arm64-kconfig-select-gigantic-page.patch
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