Kernel test robot calling make with 'W=1' triggering warning like below
below for memmap_init_zone() function.
mm/page_alloc.c:6259:23: warning: no previous prototype for 'memmap_init_zone' [-Wmissing-prototypes]
6259 | void __meminit __weak memmap_init_zone(unsigned long size, int nid,
| ^~~~~~~~~~~~~~~~
Fix it by adding the function declaration in include/linux/mm.h.
Since memmap_init_zone() has a generic version with '__weak',
the declaratoin in ia64 header file can be simply removed.
Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
---
arch/ia64/include/asm/pgtable.h | 5 -----
include/linux/mm.h | 1 +
2 files changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index 2c81394a2430..9b4efe89e62d 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -517,11 +517,6 @@ extern struct page *zero_page_memmap_ptr;
__changed; \
})
#endif
-
-# ifdef CONFIG_VIRTUAL_MEM_MAP
- /* arch mem_map init routine is needed due to holes in a virtual mem_map */
- extern void memmap_init_zone(struct zone *zone);
-# endif /* CONFIG_VIRTUAL_MEM_MAP */
# endif /* !__ASSEMBLY__ */
/*
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 56bb239f9150..073049bd0b29 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2401,6 +2401,7 @@ extern void set_dma_reserve(unsigned long new_dma_reserve);
extern void memmap_init_range(unsigned long, int, unsigned long,
unsigned long, unsigned long, enum meminit_context,
struct vmem_altmap *, int migratetype);
+extern void memmap_init_zone(struct zone *zone);
extern void setup_per_zone_wmarks(void);
extern int __meminit init_per_zone_wmark_min(void);
extern void mem_init(void);
--
2.17.2
