linux-kernel - Re: [PATCH 3/3] arm64/numa: fix type info

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Date:	Thu, 26 May 2016 09:22:31 -0700
From:	Ganapatrao Kulkarni <gpkulkarni@...il.com>
To:	Zhen Lei <thunder.leizhen@...wei.com>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
	Robert Richter <rrichter@...ium.com>,
	David Daney <david.daney@...ium.com>,
	Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	devicetree <devicetree@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Xinwei Hu <huxinwei@...wei.com>, Zefan Li <lizefan@...wei.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	Tianhong Ding <dingtianhong@...wei.com>
Subject: Re: [PATCH 3/3] arm64/numa: fix type info

On Wed, May 25, 2016 at 7:43 PM, Zhen Lei <thunder.leizhen@...wei.com> wrote:
> numa_init(of_numa_init) may returned error because of numa configuration
> error. So "No NUMA configuration found" is inaccurate. In fact, specific
> configuration error information can be immediately printed by the
> testing branch. So "No NUMA..." only needs to be printed when numa_off.
>
> Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> ---
>  arch/arm64/mm/numa.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
> index 98dc104..9937cc1 100644
> --- a/arch/arm64/mm/numa.c
> +++ b/arch/arm64/mm/numa.c
> @@ -362,7 +362,8 @@ static int __init dummy_numa_init(void)
>         int ret;
>         struct memblock_region *mblk;
>
> -       pr_info("%s\n", "No NUMA configuration found");
> +       if (numa_off)

IIRC, it should be
if (!numa_off)
we want to print this message when we failed to find proper numa configuration.
when numa_off is set, we will not look for any numa configuration.

> +               pr_info("%s\n", "No NUMA configuration found");
>         pr_info("NUMA: Faking a node at [mem %#018Lx-%#018Lx]\n",
>                0LLU, PFN_PHYS(max_pfn) - 1);
>
> --
> 2.5.0

ganapat
>
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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