linux-kernel - Re: [PATCH v4 2/2] arm64: kdump: Support crashkernel=X fall back to reserve region above DMA zones

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Message-ID: <Y3T9bPbX3V9TYlKQ@arm.com>
Date:   Wed, 16 Nov 2022 15:10:36 +0000
From:   Catalin Marinas <catalin.marinas@....com>
To:     Zhen Lei <thunder.leizhen@...wei.com>
Cc:     Dave Young <dyoung@...hat.com>, Baoquan He <bhe@...hat.com>,
        Vivek Goyal <vgoyal@...hat.com>, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Feng Zhou <zhoufeng.zf@...edance.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Chen Zhou <dingguo.cz@...group.com>,
        John Donnelly <John.p.donnelly@...cle.com>,
        Dave Kleikamp <dave.kleikamp@...cle.com>
Subject: Re: [PATCH v4 2/2] arm64: kdump: Support crashkernel=X fall back to
 reserve region above DMA zones

On Wed, Nov 16, 2022 at 08:10:44PM +0800, Zhen Lei wrote:
> For crashkernel=X without '@...set', select a region within DMA zones
> first, and fall back to reserve region above DMA zones. This allows
> users to use the same configuration on multiple platforms.
> 
> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> Acked-by: Baoquan He <bhe@...hat.com>

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