mm/sparse: make mminit_validate_memmodel_limits() static

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

Link: https://lkml.kernel.org/r/20220127093221.63524-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/internal.h b/mm/internal.h
index d80300392a194f20b4864191ab0ecaba831cb1aa..9c298afb96884efda150cdacda07a38b9e5fa9d3 100644 (file)
--- 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 d21c6e5910d07b41cc49f1dad131a9e95c91800b..952f06d8f37317744affaccc86f1086d3c7eeb3b 100644 (file)
--- 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);