1 files changed, 5 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 9a1eef6c5d35..de34c6c10384 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3376,6 +3376,11 @@ again:
 		vmf->pte += xas.xa_index - last_pgoff;
 		last_pgoff = xas.xa_index;
 
+		/*
+		 * NOTE: If there're PTE markers, we'll leave them to be
+		 * handled in the specific fault path, and it'll prohibit the
+		 * fault-around logic.
+		 */
 		if (!pte_none(*vmf->pte))
 			goto unlock;