Re: [PATCH 4/5] x86: implement percpu_alloc kernel parameter

[Jan Beulich]

>>> Tejun Heo <tj@xxxxxxxxxx> 15.05.09 06:28 >>>
>@@ -395,6 +404,16 @@ out_free_ar:
> 	return ret;
> }
> 
>+/* for explicit first chunk allocator selection */
>+static char pcpu_chosen_alloc[16] __initdata;
>+
>+static int __init percpu_alloc_setup(char *str)
>+{
>+	strncpy(pcpu_chosen_alloc, str, sizeof(pcpu_chosen_alloc) - 1);
>+	return 0;
>+}
>+early_param("percpu_alloc", percpu_alloc_setup);
>+
> static inline void setup_percpu_segment(int cpu)
> {
> #ifdef CONFIG_X86_32

Does this really need to be early_param()? setup_per_cpu_areas() runs
after setup_arch(), which is where the full command line parsing happens.

Jan

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