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SubjectRe: [PATCH] mm: fix -Wmissing-prototypes warnings
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On 28.08.19 09:42, Yi Wang wrote:
> We get two warnings when build kernel W=1:
> mm/shuffle.c:36:12: warning: no previous prototype for ‘shuffle_show’
> [-Wmissing-prototypes]
> mm/sparse.c:220:6: warning: no previous prototype for
> ‘subsection_mask_set’ [-Wmissing-prototypes]
>
> Make the function static to fix this.
>
> Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
> ---
> mm/shuffle.c | 2 +-
> mm/sparse.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/shuffle.c b/mm/shuffle.c
> index 3ce1248..b3fe97f 100644
> --- a/mm/shuffle.c
> +++ b/mm/shuffle.c
> @@ -33,7 +33,7 @@ __meminit void page_alloc_shuffle(enum mm_shuffle_ctl ctl)
> }
>
> static bool shuffle_param;
> -extern int shuffle_show(char *buffer, const struct kernel_param *kp)
> +static int shuffle_show(char *buffer, const struct kernel_param *kp)
> {
> return sprintf(buffer, "%c\n", test_bit(SHUFFLE_ENABLE, &shuffle_state)
> ? 'Y' : 'N');
> diff --git a/mm/sparse.c b/mm/sparse.c
> index 72f010d..49006dd 100644
> --- a/mm/sparse.c
> +++ b/mm/sparse.c
> @@ -217,7 +217,7 @@ static inline unsigned long first_present_section_nr(void)
> return next_present_section_nr(-1);
> }
>
> -void subsection_mask_set(unsigned long *map, unsigned long pfn,
> +static void subsection_mask_set(unsigned long *map, unsigned long pfn,
> unsigned long nr_pages)
> {
> int idx = subsection_map_index(pfn);
>

Reviewed-by: David Hildenbrand <david@redhat.com>

--

Thanks,

David / dhildenb

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