[PATCH 3/4] mm: mremap: use flush_pud_tlb_range in move_normal_pud()

[Kefeng Wang]

Archs may need to do special things when flushing thp tlb,
so use the more applicable flush_pud_tlb_range() instead of
flush_tlb_range().

Fixes: c49dd3401802 ("mm: speedup mremap on 1GB or larger regions")
Signed-off-by: Kefeng Wang <wangkefeng.wang at huawei.com>
---
 mm/mremap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mremap.c b/mm/mremap.c
index 1883205fa22b..25114e56901f 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -333,7 +333,7 @@ static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
 	VM_BUG_ON(!pud_none(*new_pud));
 
 	pud_populate(mm, new_pud, pud_pgtable(pud));
-	flush_tlb_range(vma, old_addr, old_addr + PUD_SIZE);
+	flush_pud_tlb_range(vma, old_addr, old_addr + PUD_SIZE);
 	if (new_ptl != old_ptl)
 		spin_unlock(new_ptl);
 	spin_unlock(old_ptl);
-- 
2.41.0