linux-kernel - Re: [PATCH v3 1/4] arm64: mm: use arm64_dma_phys_limit instead of calling max_zone_dma

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Message-ID: <20190905170523.GD31268@arrakis.emea.arm.com>
Date:   Thu, 5 Sep 2019 18:05:23 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     hch@....de, wahrenst@....net, marc.zyngier@....com,
        robh+dt@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mm@...ck.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, f.fainelli@...il.com,
        will@...nel.org, robin.murphy@....com, mbrugger@...e.com,
        linux-rpi-kernel@...ts.infradead.org, phill@...pberrypi.org,
        m.szyprowski@...sung.com
Subject: Re: [PATCH v3 1/4] arm64: mm: use arm64_dma_phys_limit instead of
 calling max_zone_dma_phys()

On Mon, Sep 02, 2019 at 04:10:39PM +0200, Nicolas Saenz Julienne wrote:
> By the time we call zones_sizes_init() arm64_dma_phys_limit already
> contains the result of max_zone_dma_phys(). We use the variable instead
> of calling the function directly to save some precious cpu time.
> 
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>

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