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 <[email protected]> --- 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); -- 1.8.3.1
