Switch from ptep_get() to ptep_get_lockless() accessor for PTE reads when no lock is taken. Signed-off-by: Alexander Gordeev --- mm/page_vma_mapped.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index a4d52fdb3056..6559e17f11c2 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -41,7 +41,7 @@ static bool map_pte(struct page_vma_mapped_walk *pvmw, pmd_t *pmdvalp, if (!pvmw->pte) return false; - ptent = ptep_get(pvmw->pte); + ptent = ptep_get_lockless(pvmw->pte); if (pte_none(ptent)) { return false; @@ -310,7 +310,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) goto restart; } pvmw->pte++; - } while (pte_none(ptep_get(pvmw->pte))); + } while (pte_none(ptep_get_lockless(pvmw->pte))); if (!pvmw->ptl) { spin_lock(ptl); -- 2.51.0