Re: [PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable

From	Andi Kleen <ak@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable
Date	2017-08-07 17:50 +0200
Message-ID	<ubSs2-22w-31@gated-at.bofh.it> (permalink)
References	<ubR2V-W5-3@gated-at.bofh.it> <ubR2W-W5-39@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> +#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

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[PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D variable "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2017-08-07 16:20 +0200
  Re: [PATCHv3 07/13] x86/mm: Make PGDIR_SHIFT and PTRS_PER_P4D  variable Andi Kleen <ak@linux.intel.com> - 2017-08-07 17:50 +0200

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