[RFC,24/30] mm/hugetlb: Move flush_hugetlb_tlb_range() into hugetlb.h
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Message ID 20210115170907.24498-25-peterx@redhat.com
State New, archived
Headers show
Series
  • userfaultfd-wp: Support shmem and hugetlbfs
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Commit Message

Peter Xu Jan. 15, 2021, 5:09 p.m. UTC
Prepare for it to be called outside of mm/hugetlb.c.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 include/linux/hugetlb.h | 8 ++++++++
 mm/hugetlb.c            | 8 --------
 2 files changed, 8 insertions(+), 8 deletions(-)

Patch
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diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 27ada597a8e6..8841d118f45b 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -963,4 +963,12 @@  static inline bool want_pmd_share(struct vm_area_struct *vma)
 #endif
 }
 
+#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 16a07f41880e..a971513cdff6 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4948,14 +4948,6 @@  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, unsigned long cp_flags)