mm/page_alloc.c defines a fallback version of __early_pfn_to_nid for
architectures without CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID. Nothing
outside of mm/page_alloc.c calls that function, so mark it static. This
eliminates warnings from GCC (-Wmissing-prototypes) and Sparse (-Wdecl).
mm/page_alloc.c:4075:118: warning: no previous prototype for ‘__early_pfn_to_nid’ [-Wmissing-prototypes]
Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b74de6..d857953 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4072,7 +4072,7 @@ int __meminit init_currently_empty_zone(struct zone *zone,
* was used and there are no special requirements, this is a convenient
* alternative
*/
-int __meminit __early_pfn_to_nid(unsigned long pfn)
+static int __meminit __early_pfn_to_nid(unsigned long pfn)
{
unsigned long start_pfn, end_pfn;
int i, nid;
--
1.7.10.4
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