Andrew Morton <[email protected]> wrote:
> #else
> #define get_unmapped_area_mem NULL
> #endif
Blech.
Of course, I could just declare the new symbols weak, and stick
get_unmapped_area_mem() and mem_bdi in their own file which would be
conditional on !CONFIG_MMU.
> This changes behaviour, doesn't it?
Yes.
> But only for !CONFIG_MMU kernels?
Yes. For the moment, nothing in MMU world actually looks at these
capabilities, though perhaps they should.
> Perhaps some additional commentary around this is needed.
Perhaps... or perhaps it should have different capabilities if there's an MMU.
Is doing a private mapping of /dev/mem a valid thing to do anyway, even if
there is an MMU?
David
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