On Wed 6 Feb 2008 11:23, Matt Mackall pondered:
>
> On Wed, 2008-02-06 at 17:18 +0200, Adrian Bunk wrote:
> > Commit 698dd4ba6b12e34e1e432c944c01478c0b2cd773 broke blackfin:
> >
> > <-- snip -->
> >
> > ...
> > CC mm/vmscan.o
> > In file included from
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/mm/vmscan.c:44:
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h: In
> > function 'is_swap_pte':
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48:
> > error: implicit declaration of function 'pte_none'
> > /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swapops.h:48:
> > error: implicit declaration of function 'pte_present'
> > make[2]: *** [mm/vmscan.o] Error 1
>
> This suggests that no one's tried to compile -mm on Blackfin since
> before September, I think.
Or any other nommu arch's either, since looking at the include files, FRV
(when configured as noMMU) and m68knommu does not include it either...
> Is there somewhere more appropriate to move it? I can't find one.
> Failing that, we can wrap it in CONFIG_MMU, I suppose.
Or just add to the the following:
./include/asm-blackfin
./include/asm-frv/ (only when configured as !MMU)
./include/asm-h8300
./include/asm-m68knommu
./include/asm-v850
Others seem to have it in include/asm-xxxxx/pgtable.h as #define, inline
function, or extern.
> Signed-off-by: Matt Mackall <[EMAIL PROTECTED]>
>
> diff -r 50a6e531a9f2 include/linux/swapops.h
> --- a/include/linux/swapops.h Mon Feb 04 20:23:02 2008 -0600
> +++ b/include/linux/swapops.h Wed Feb 06 10:21:32 2008 -0600
> @@ -42,11 +42,13 @@
> return entry.val & SWP_OFFSET_MASK(entry);
> }
>
> +#ifdef CONFIG_MMU
> /* check whether a pte points to a swap entry */
> static inline int is_swap_pte(pte_t pte)
> {
> return !pte_none(pte) && !pte_present(pte) && !pte_file(pte);
> }
> +#endif
>
> /*
> * Convert the arch-dependent pte representation of a swp_entry_t into
> an
>
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