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From: Steve Capper <Steve.Capper@arm.com>
To: Anshuman Khandual <Anshuman.Khandual@arm.com>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Suzuki Poulose <Suzuki.Poulose@arm.com>,
	Punit Agrawal <Punit.Agrawal@arm.com>,
	Will Deacon <Will.Deacon@arm.com>,
	Steven Price <Steven.Price@arm.com>,
	Catalin Marinas <Catalin.Marinas@arm.com>,
	"mhocko@kernel.org" <mhocko@kernel.org>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"mike.kravetz@oracle.com" <mike.kravetz@oracle.com>,
	"n-horiguchi@ah.jp.nec.com" <n-horiguchi@ah.jp.nec.com>,
	nd <nd@arm.com>
Subject: Re: [PATCH V3 4/5] arm64/mm: Enable HugeTLB migration
Date: Thu, 8 Nov 2018 10:35:57 +0000	[thread overview]
Message-ID: <20181108103545.c634kha6kpgpy34q@capper-debian.cambridge.arm.com> (raw)
In-Reply-To: <1540299721-26484-5-git-send-email-anshuman.khandual@arm.com>

On Tue, Oct 23, 2018 at 06:32:00PM +0530, Anshuman Khandual wrote:
> 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@ah.jp.nec.com>
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>


Reviewed-by: Steve Capper <steve.capper@arm.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
> 

  reply	other threads:[~2018-11-08 10:36 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-23 13:01 [PATCH V3 0/5] " Anshuman Khandual
2018-10-23 13:01 ` [PATCH V3 1/5] mm/hugetlb: Distinguish between migratability and movability Anshuman Khandual
2018-10-24 13:54   ` Michal Hocko
2018-11-08 10:33   ` Steve Capper
2018-10-23 13:01 ` [PATCH V3 2/5] mm/hugetlb: Enable PUD level huge page migration Anshuman Khandual
2018-11-08 10:34   ` Steve Capper
2018-10-23 13:01 ` [PATCH V3 3/5] mm/hugetlb: Enable arch specific huge page size support for migration Anshuman Khandual
2018-10-24 13:56   ` Michal Hocko
2018-10-24 13:58     ` Michal Hocko
2018-10-25  6:23       ` Anshuman Khandual
2018-10-25  7:45         ` Michal Hocko
2018-11-08 10:35   ` Steve Capper
2018-10-23 13:02 ` [PATCH V3 4/5] arm64/mm: Enable HugeTLB migration Anshuman Khandual
2018-11-08 10:35   ` Steve Capper [this message]
2018-11-23 14:42   ` Catalin Marinas
2018-10-23 13:02 ` [PATCH V3 5/5] arm64/mm: Enable HugeTLB migration for contiguous bit HugeTLB pages Anshuman Khandual
2018-11-08 10:36   ` Steve Capper
2018-11-23 14:42   ` Catalin Marinas
2018-11-23 15:08 ` [PATCH V3 0/5] arm64/mm: Enable HugeTLB migration Anshuman Khandual

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