[PATCH] mm/sparse: make mminit_validate_memmodel_limits() static

[Miaohe Lin]

It's only used in the sparse.c now. So we can make it static and further
clean up the relevant code.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 mm/internal.h | 11 -----------
 mm/sparse.c   |  2 +-
 2 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 4c2d06a2f50b..927dfba5111f 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -572,17 +572,6 @@ static inline void mminit_verify_zonelist(void)
 }
 #endif /* CONFIG_DEBUG_MEMORY_INIT */
 
-/* mminit_validate_memmodel_limits is independent of CONFIG_DEBUG_MEMORY_INIT */
-#if defined(CONFIG_SPARSEMEM)
-extern void mminit_validate_memmodel_limits(unsigned long *start_pfn,
-				unsigned long *end_pfn);
-#else
-static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn,
-				unsigned long *end_pfn)
-{
-}
-#endif /* CONFIG_SPARSEMEM */
-
 #define NODE_RECLAIM_NOSCAN	-2
 #define NODE_RECLAIM_FULL	-1
 #define NODE_RECLAIM_SOME	0
diff --git a/mm/sparse.c b/mm/sparse.c
index d21c6e5910d0..952f06d8f373 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -126,7 +126,7 @@ static inline int sparse_early_nid(struct mem_section *section)
 }
 
 /* Validate the physical addressing limitations of the model */
-void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn,
+static void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn,
 						unsigned long *end_pfn)
 {
 	unsigned long max_sparsemem_pfn = 1UL << (MAX_PHYSMEM_BITS-PAGE_SHIFT);
-- 
2.23.0