Re: [PATCH v7 07/15] arm64, numa: Cleanup NUMA disabled messages.

Hanjun Guo
2016-05-31T12:28:39Z

On 2016/5/25 6:35, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> As noted by Dennis Chen, we don't want to print "No NUMA configuration
> found" if NUMA was forced off from the command line.
>
> Change the type of numa_off to bool, and clean up printing code.
> Print "NUMA disabled" if forced off on command line and "No NUMA
> configuration found" if there was no firmware NUMA information.
>
> Signed-off-by: David Daney <david.daney@cavium.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> ---
> arch/arm64/mm/numa.c | 11 +++++++----
> 1 file changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
> index 6cb03f9..1def1de 100644
> --- a/arch/arm64/mm/numa.c
> +++ b/arch/arm64/mm/numa.c
> @@ -29,7 +29,7 @@ static int cpu_to_node_map[NR_CPUS] = { [0 ... NR_CPUS-1] = NUMA_NO_NODE };
>
> static int numa_distance_cnt;
> static u8 *numa_distance;
> -static int numa_off;
> +static bool numa_off;
>
> static __init int numa_parse_early_param(char *opt)
> {
> @@ -37,7 +37,7 @@ static __init int numa_parse_early_param(char *opt)
> return -EINVAL;
> if (!strncmp(opt, "off", 3)) {
> pr_info("%s\n", "NUMA turned off");
> - numa_off = 1;
> + numa_off = true;
> }
> return 0;
> }
> @@ -362,7 +362,10 @@ static int __init dummy_numa_init(void)
> int ret;
> struct memblock_region *mblk;
>
> - pr_info("%s\n", "No NUMA configuration found");
> + if (numa_off)
> + pr_info("NUMA disabled\n"); /* Forced off on command line. */
> + else
> + pr_info("No NUMA configuration found\n");
> pr_info("NUMA: Faking a node at [mem %#018Lx-%#018Lx]\n",
> 0LLU, PFN_PHYS(max_pfn) - 1);
>
> @@ -375,7 +378,7 @@ static int __init dummy_numa_init(void)
> return ret;
> }
>
> - numa_off = 1;
> + numa_off = true;
> return 0;
> }

Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>

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