linux-kernel - Re: [PATCH] [PATCH] ARM64: Setup DMA32 zone size by bootargs

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Message-ID: <20200915161344.GD14908@gaia>
Date:   Tue, 15 Sep 2020 17:13:44 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Phil Chang <phil.chang@...iatek.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Jonathan Corbet <corbet@....net>,
        Will Deacon <will@...nel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        YJ Chiang <yj.chiang@...iatek.com>,
        Alix Wu <alix.wu@...iatek.com>,
        Mike Rapoport <rppt@...nel.org>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] [PATCH] ARM64: Setup DMA32 zone size by bootargs

On Tue, Sep 15, 2020 at 11:08:55PM +0800, Phil Chang wrote:
> Allowing the DMA32 zone be configurable in ARM64 but at most 4Gb.

Why? What is your use-case?

-- 
Catalin