[PATCH] arm: mm: export set_memory_x and set_meory_nx

[Russell King - ARM Linux]

On Thu, Sep 01, 2016 at 06:45:25PM +0900, Jungseung Lee wrote:
> This patch exports set_memory_x and set_memory_nx functions.
> It is still allowed for modules to use these functions in other
> architectures. In a similar manner to arm, export these functions.

They don't work on general kernel memory, so I'd much prefer that these
weren't exported.

I see no users of set_memory_nx() in modules.  There's one module that
uses set_memory_x(), which is drivers/watchdog/hpwdt.c.  The three users
of that are ifdef'd for x86 cases, and it's used on the result of
ioremapping, which will fail on ARMs implementation (which only allows
modules memory.)

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