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Subject: Re: [PATCH] mm/hugetlb: Add mmap() encodings for 32MB and 512MB page
 sizes
References: <1537797985-2406-1-git-send-email-anshuman.khandual@arm.com>
From: Mike Kravetz <mike.kravetz@oracle.com>
Message-ID: <541d31f2-b4b7-e401-2fe9-7965d81b2f0a@oracle.com>
Date: Mon, 24 Sep 2018 09:48:05 -0700
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Sender: owner-linux-mm@kvack.org
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To: Anshuman Khandual <anshuman.khandual@arm.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: mhocko@kernel.org, punit.agrawal@arm.com, will.deacon@arm.com, akpm@linux-foundation.org

On 9/24/18 7:06 AM, Anshuman Khandual wrote:
> ARM64 architecture also supports 32MB and 512MB HugeTLB page sizes.
> This just adds mmap() system call argument encoding for them.
> 
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
> ---
>  include/uapi/asm-generic/hugetlb_encode.h | 2 ++
>  include/uapi/linux/mman.h                 | 2 ++
>  2 files changed, 4 insertions(+)

Thanks Anshuman,

However, I think we should also add similar definitions in:
uapi/linux/memfd.h
uapi/linux/shm.h

-- 
Mike Kravetz