ARCHes with special requirements for evicting THP backing TLB entries can implement flush_pmd_tlb_range. Otherwise also, it can help optimize TLB flush in THP regime. Using flush_pmd_tlb_range to take advantage of this in move_huge_pmd. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- mm/huge_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index af0751a79c19..fd6da053a13e 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1746,7 +1746,7 @@ bool move_huge_pmd(struct vm_area_struct *vma, unsigned long old_addr, pmd = move_soft_dirty_pmd(pmd); set_pmd_at(mm, new_addr, new_pmd, pmd); if (force_flush) - flush_tlb_range(vma, old_addr, old_addr + PMD_SIZE); + flush_pmd_tlb_range(vma, old_addr, old_addr + PMD_SIZE); if (new_ptl != old_ptl) spin_unlock(new_ptl); spin_unlock(old_ptl); -- 2.23.0
