[PATCH v5 03/10] mm/hugetlb: Move flush_hugetlb_tlb_range() into hugetlb.h

[Axel Rasmussen]

From: Peter Xu <peterx@xxxxxxxxxx>

Prepare for it to be called outside of mm/hugetlb.c.

Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
Signed-off-by: Axel Rasmussen <axelrasmussen@xxxxxxxxxx>
---
 include/linux/hugetlb.h | 8 ++++++++
 mm/hugetlb.c            | 8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d971e7efd17d..d740c6fd19ae 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -1032,4 +1032,12 @@ static inline __init void hugetlb_cma_check(void)
 
 bool want_pmd_share(struct vm_area_struct *vma, unsigned long addr);
 
+#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
+/*
+ * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
+ * implement this.
+ */
+#define flush_hugetlb_tlb_range(vma, addr, end)	flush_tlb_range(vma, addr, end)
+#endif
+
 #endif /* _LINUX_HUGETLB_H */
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 5710286e1984..e41b77cf6cc2 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4927,14 +4927,6 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	return i ? i : err;
 }
 
-#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
-/*
- * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
- * implement this.
- */
-#define flush_hugetlb_tlb_range(vma, addr, end)	flush_tlb_range(vma, addr, end)
-#endif
-
 unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
 		unsigned long address, unsigned long end, pgprot_t newprot)
 {
-- 
2.30.0.478.g8a0d178c01-goog