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Date:   Fri, 28 Sep 2018 09:13:05 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Guo Ren <ren_guo@c-sky.com>
Cc:     akpm@linux-foundation.org, arnd@arndb.de,
        daniel.lezcano@linaro.org, davem@davemloft.net,
        gregkh@linuxfoundation.org, jason@lakedaemon.net,
        marc.zyngier@arm.com, mark.rutland@arm.com,
        mchehab+samsung@kernel.org, peterz@infradead.org, robh@kernel.org,
        robh+dt@kernel.org, tglx@linutronix.de,
        linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        devicetree@vger.kernel.org, green.hu@gmail.com
Subject: Re: [PATCH V6 03/33] csky: Kernel booting
Message-ID: <20180928161305.GB19827@infradead.org>
References: <cover.1538058840.git.ren_guo@c-sky.com>
 <d46b38db96f8b39c38d40170e1842a0dc5ba0671.1538058840.git.ren_guo@c-sky.com>
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> +phys_addr_t __init_memblock memblock_end_of_REG0(void)
> +{
> +	return (memblock.memory.regions[0].base + memblock.memory.regions[0].size);
> +}

No need for the braces.

> +	if (memblock.memory.cnt > 1) {
> +		zone_size[ZONE_NORMAL]  = PFN_DOWN(memblock_start_of_REG1()) - min_low_pfn;
> +		zhole_size[ZONE_NORMAL] = PFN_DOWN(memblock_start_of_REG1()) - max_low_pfn;

Please brake lines after 80 characters.

> +	pr_info("C-SKY: https://github.com/c-sky/csky-linux\n");

I don't think this belongs into the kernel log.