From: Miaohe Lin <linmiaohe@xxxxxxxxxx> Subject: 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@xxxxxxxxxx Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/internal.h | 11 ----------- mm/sparse.c | 2 +- 2 files changed, 1 insertion(+), 12 deletions(-) --- a/mm/internal.h~mm-sparse-make-mminit_validate_memmodel_limits-static +++ a/mm/internal.h @@ -572,17 +572,6 @@ static inline void mminit_verify_zonelis } #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 --- a/mm/sparse.c~mm-sparse-make-mminit_validate_memmodel_limits-static +++ a/mm/sparse.c @@ -126,7 +126,7 @@ static inline int sparse_early_nid(struc } /* 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); _