ARM: 8734/1: mm: idmap: Mark variables as ro_after_init
idmap_pgd, arch_phys_to_idmap_offset are setup once while init stage, and never changed after that. so, it is good candidate for __ro_after_init. Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jinbum Park <jinb.park7@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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* are not supported on any CPU using the idmap tables as its current
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* page tables.
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*/
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pgd_t *idmap_pgd;
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long long arch_phys_to_idmap_offset;
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pgd_t *idmap_pgd __ro_after_init;
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long long arch_phys_to_idmap_offset __ro_after_init;
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#ifdef CONFIG_ARM_LPAE
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static void idmap_add_pmd(pud_t *pud, unsigned long addr, unsigned long end,
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