Re: [PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable
From: Andi Kleen
Date: Mon Aug 07 2017 - 11:48:58 EST
> +#ifdef CONFIG_X86_5LEVEL
> +unsigned int pgdir_shift = 48;
> +unsigned int ptrs_per_p4d = 512;
should be both __read_mostly
> +#ifdef CONFIG_X86_5LEVEL
> +unsigned int pgdir_shift = 48;
> +EXPORT_SYMBOL(pgdir_shift);
> +unsigned int ptrs_per_p4d = 512;
> +EXPORT_SYMBOL(ptrs_per_p4d);
> +#endif
Same.
-Andi