[PATCH v2] powerpc/power: Expose pfn_is_nosave prototype

[Michael Ellerman]

Mathieu Malaterre <malat at debian.org> writes:
> The declaration for pfn_is_nosave is only available in
> kernel/power/power.h. Since this function can be override in arch,
> expose it globally. Having a prototype will make sure to avoid warning
> (sometime treated as error with W=1) such as:
>
>   arch/powerpc/kernel/suspend.c:18:5: error: no previous prototype for 'pfn_is_nosave' [-Werror=missing-prototypes]
>
> This moves the declaration into a globally visible header file and add
> missing include to avoid a warning on powerpc. Also remove the
> duplicated prototypes since not required anymore.
>
> Cc: Christophe Leroy <christophe.leroy at c-s.fr>
> Signed-off-by: Mathieu Malaterre <malat at debian.org>
> ---
> v2: As suggestion by christophe remove duplicates prototypes
>
>  arch/powerpc/kernel/suspend.c | 1 +
>  arch/s390/kernel/entry.h      | 1 -
>  include/linux/suspend.h       | 1 +
>  kernel/power/power.h          | 2 --
>  4 files changed, 2 insertions(+), 3 deletions(-)

Looks fine to me.

Acked-by: Michael Ellerman <mpe at ellerman.id.au> (powerpc)

cheers