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Date: Tue, 23 Oct 2018 18:32:00 +0530 From: Anshuman Khandual <anshuman.khandual@....com> To: linux-mm@...ck.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: suzuki.poulose@....com, punit.agrawal@....com, will.deacon@....com, Steven.Price@....com, steve.capper@....com, catalin.marinas@....com, mhocko@...nel.org, akpm@...ux-foundation.org, mike.kravetz@...cle.com, n-horiguchi@...jp.nec.com Subject: [PATCH V3 4/5] arm64/mm: Enable HugeTLB migration Let arm64 subscribe to generic HugeTLB page migration framework. Right now this only works on the following PMD and PUD level HugeTLB page sizes with various kernel base page size combinations. CONT PTE PMD CONT PMD PUD -------- --- -------- --- 4K: NA 2M NA 1G 16K: NA 32M NA 64K: NA 512M NA Reviewed-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a8ae30f..4b3e269 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1331,6 +1331,10 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC +config ARCH_ENABLE_HUGEPAGE_MIGRATION + def_bool y + depends on HUGETLB_PAGE && MIGRATION + menu "Power management options" source "kernel/power/Kconfig" -- 2.7.4
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