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Message-ID: <20181123144241.GE3360@arrakis.emea.arm.com>
Date:   Fri, 23 Nov 2018 14:42:42 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Anshuman Khandual <anshuman.khandual@....com>
Cc:     linux-mm@...ck.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, steve.capper@....com,
        punit.agrawal@....com, will.deacon@....com, Steven.Price@....com,
        akpm@...ux-foundation.org, mhocko@...nel.org,
        n-horiguchi@...jp.nec.com, suzuki.poulose@....com,
        mike.kravetz@...cle.com
Subject: Re: [PATCH V3 5/5] arm64/mm: Enable HugeTLB migration for contiguous
 bit HugeTLB pages

On Tue, Oct 23, 2018 at 06:32:01PM +0530, Anshuman Khandual wrote:
> Let arm64 subscribe to the previously added framework in which architecture
> can inform whether a given huge page size is supported for migration. This
> just overrides the default function arch_hugetlb_migration_supported() and
> enables migration for all possible HugeTLB page sizes on arm64. With this,
> HugeTLB migration support on arm64 now covers all possible HugeTLB options.
> 
>         CONT PTE    PMD    CONT PMD    PUD
>         --------    ---    --------    ---
> 4K:        64K      2M        32M      1G
> 16K:        2M     32M         1G
> 64K:        2M    512M        16G
> 
> Reviewed-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>

Acked-by: Catalin Marinas <catalin.marinas@....com>

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