Ingo Molnar wrote:
> * Jeremy Fitzhardinge <[email protected]> wrote:
>
>
>> Unify common definitions in page*.h. To simplify other code, I added
>> typedefs for the value of pte/pmd/pud/pgd values, so they can be used
>> symbolically elsewhere without needing to have lots of 32/64/PAE
>> tests.
>>
>> Also, add PAGETABLE_LEVELS define so that other definitions can test
>> for it directly rather than using indirect 32/64/PAE tests.
>>
>
> this one introduces mass warnings of:
>
> include/asm/page.h: In function 'copy_page':
> include/asm/page.h:34: warning: passing argument 2 of 'mmx_copy_page' discards qualifiers from pointer target type
> In file included from include/asm/thread_info_32.h:14,
> from include/asm/thread_info.h:3,
> from include/linux/thread_info.h:35,
> from include/linux/preempt.h:10,
> from include/linux/spinlock.h:50,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:5,
> from include/linux/mm.h:9,
> from arch/x86/mm/mmap.c:29:
>
> with the attached config.
>
Hm. I constified the "from" argument to copy_page on the way through
(to catch param-swapping problems). Looks like I need to update
mmx_copy_page etc as well. Anyway, this warning is harmless, and I'll
generate a separate patch to fix it.
J
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