Re: [PATCH 1/2] mm: Change mmap_rnd_bits_max to __ro_after_init

From: Kees Cook
Date: Fri Sep 29 2023 - 17:55:07 EST


On Fri, Sep 29, 2023 at 09:11:57PM +0000, Sami Tolvanen wrote:
> Allow mmap_rnd_bits_max to be updated on architectures that
> determine virtual address space size at runtime instead of relying
> on Kconfig options by changing it from const to __ro_after_init.
>
> Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>

Just the kind of thing __ro_after_init was made for. :)

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

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Kees Cook