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@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Suggested-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 1faebe1..3cbf604 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -143,9 +143,6 @@ void __unmap_hugepage_range_final(struct mmu_gather *tlb,
                          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);
@@ -385,13 +382,6 @@ static inline void __unmap_hugepage_range_final(struct mmu_gather *tlb,
        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();
-}
-
 static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
                        struct vm_area_struct *vma, unsigned long address,
                        unsigned int flags)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 95dc7b8..d394d95 100644 (file)
--- a/mm/hugetlb.c
+++ b/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;