mm/page_vma_mapped.c: use helper function huge_pte_lock

Use helper function huge_pte_lock() to lock the huge pte to simplify the
code a bit.  No functional change intended.

Link: https://lkml.kernel.org/r/20220709092440.43018-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index e971a46..8e9e574 100644 (file)
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -174,8 +174,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
                if (!pvmw->pte)
                        return false;
 
-               pvmw->ptl = huge_pte_lockptr(hstate, mm, pvmw->pte);
-               spin_lock(pvmw->ptl);
+               pvmw->ptl = huge_pte_lock(hstate, mm, pvmw->pte);
                if (!check_pte(pvmw))
                        return not_found(pvmw);
                return true;