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Date:   Thu, 23 Jun 2022 22:21:44 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Anshuman Khandual <anshuman.khandual@arm.com>
Cc:     Christoph Hellwig <hch@infradead.org>, linux-mm@kvack.org,
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Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across
 platforms
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On Fri, Jun 24, 2022 at 10:50:33AM +0530, Anshuman Khandual wrote:
> > On most architectures this should be const now, only very few ever
> > modify it.
> 
> Will make it a 'static const pgprot_t protection_map[16] __ro_after_init'
> on platforms that do not change the protection_map[] even during boot.

No need for __ro_after_init when it is already declarated const.