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-rw-r--r--mm/hmm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/hmm.c b/mm/hmm.c
index 855e25e59d8f..277ddcab4947 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -562,6 +562,7 @@ static const struct mm_walk_ops hmm_walk_ops = {
.pte_hole = hmm_vma_walk_hole,
.hugetlb_entry = hmm_vma_walk_hugetlb_entry,
.test_walk = hmm_vma_walk_test,
+ .walk_lock = PGWALK_RDLOCK,
};
/**