[patch 127/262] mm/hugetlb: drop __unmap_hugepage_range definition from hugetlb.h

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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;
_



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