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

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To: Phil Chang <phil.chang@xxxxxxxxxxxx>
Subject: Re: [PATCH] [PATCH] ARM64: Setup DMA32 zone size by bootargs
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Date: Tue, 15 Sep 2020 17:13:44 +0100
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Jonathan Corbet <corbet@xxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Anshuman Khandual <anshuman.khandual@xxxxxxx>, YJ Chiang <yj.chiang@xxxxxxxxxxxx>, Alix Wu <alix.wu@xxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mediatek@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20200915150855.24825-1-phil.chang@mediatek.com>
References: <20200915150855.24825-1-phil.chang@mediatek.com>
User-agent: Mutt/1.10.1 (2018-07-13)

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

References:
- [PATCH] [PATCH] ARM64: Setup DMA32 zone size by bootargs
  - From: Phil Chang

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