linux-kernel - Re: [PATCH v4 2/2] arm64 Kconfig: Select gigantic page

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Date:   Fri, 30 Sep 2016 17:43:26 +0800
From:   "Hillf Danton" <hillf.zj@...baba-inc.com>
To:     "'Yisheng Xie'" <xieyisheng1@...wei.com>,
        <akpm@...ux-foundation.org>, <mhocko@...nel.org>
Cc:     <guohanjun@...wei.com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <will.deacon@....com>,
        <dave.hansen@...el.com>, <sudeep.holla@....com>,
        <catalin.marinas@....com>, <mark.rutland@....com>,
        <robh+dt@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <mike.kravetz@...cle.com>, <n-horiguchi@...jp.nec.com>
Subject: Re: [PATCH v4 2/2] arm64 Kconfig: Select gigantic page

On Friday, September 30, 2016 5:26 PM Yisheng Xie wrote
> 
> Arm64 supports gigantic page after
> commit 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.
> 
> Acked-by: Michal Hocko <mhocko@...e.com>
> Acked-by: Catalin Marinas <catalin.marinas@....com>
> Signed-off-by: Yisheng Xie <xieyisheng1@...wei.com>
> ---
Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>