From: Peter Xu <peterx@xxxxxxxxxx> Subject: mm/hugetlb: drop __unmap_hugepage_range definition from hugetlb.h Remove __unmap_hugepage_range() from the header file, because it is only used in hugetlb.c. Link: https://lkml.kernel.org/r/20210917165108.9341-1-peterx@xxxxxxxxxx Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> Suggested-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx> Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/hugetlb.h | 10 ---------- mm/hugetlb.c | 6 +++--- 2 files changed, 3 insertions(+), 13 deletions(-) --- a/include/linux/hugetlb.h~mm-hugetlb-drop-__unmap_hugepage_range-definition-from-hugetlbh +++ a/include/linux/hugetlb.h @@ -143,9 +143,6 @@ void __unmap_hugepage_range_final(struct struct vm_area_struct *vma, unsigned long start, unsigned long end, struct page *ref_page); -void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, - unsigned long start, unsigned long end, - struct page *ref_page); void hugetlb_report_meminfo(struct seq_file *); int hugetlb_report_node_meminfo(char *buf, int len, int nid); void hugetlb_show_meminfo(void); @@ -382,13 +379,6 @@ static inline void __unmap_hugepage_rang struct vm_area_struct *vma, unsigned long start, unsigned long end, struct page *ref_page) { - BUG(); -} - -static inline void __unmap_hugepage_range(struct mmu_gather *tlb, - struct vm_area_struct *vma, unsigned long start, - unsigned long end, struct page *ref_page) -{ BUG(); } --- a/mm/hugetlb.c~mm-hugetlb-drop-__unmap_hugepage_range-definition-from-hugetlbh +++ a/mm/hugetlb.c @@ -4426,9 +4426,9 @@ again: return ret; } -void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, - unsigned long start, unsigned long end, - struct page *ref_page) +static void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma, + unsigned long start, unsigned long end, + struct page *ref_page) { struct mm_struct *mm = vma->vm_mm; unsigned long address; _