Re: [PATCH] x86/mm: Unbreak modules that rely on external PAGE_KERNEL availability

[Borislav Petkov]

On Wed, Nov 08, 2017 at 01:09:29PM -0800, Linus Torvalds wrote:
> Generally we should export _functionality_, not data.

Right, AFAIRC, the main reason for this being an export was because if
we hid it in a function, you'd have all those function calls as part of
the _PAGE_* macros and that's just crap.

And then having an accessor too for the mask which we export anyway is
kinda silly.

But maybe there's a different, nicer solution which we missed...

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    Boris.

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