Quoth David Howells:
> Stub out vm_get_page_prot() if there's no MMU.
[...]
> in the fbmem video driver, but the function doesn't exist on NOMMU,
> resulting in an undefined symbol at link time.
[...]
> +#ifdef CONFIG_MMU
> pgprot_t vm_get_page_prot(unsigned long vm_flags);
> +#else
> +static inline pgprot_t vm_get_page_prot(unsigned long vm_flags)
> +{
> + return __pgprot(0);
> +}
> +#endif
Wouldn't it be better to define this in the .c for !CONFIG_MMU, rather than
stub it out in the headers? After all, it's possible that some arches (eg.
Blackfin, since it has an MPU) might want to actually implement it.
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