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Subject[PATCH v4 03/10] mm/hugetlb: Move flush_hugetlb_tlb_range() into hugetlb.h
From
From: Peter Xu <peterx@redhat.com>

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

Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
---
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 f6d5939a6eb0..af40500c99f0 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -950,4 +950,12 @@ 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 588c4c28c44d..5b3f00a1e276 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -4924,14 +4924,6 @@ 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)
{
--
2.30.0.365.g02bc693789-goog
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