[PATCH] fixup

[Lorenzo Stoakes]

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
---
 mm/khugepaged.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index c75afeac4bbb..742b47e0fb75 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1806,9 +1806,8 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
 		* userfaultfd_wp() vmas.  But since the mmap_lock is not held,
 		* it is still possible for a racing userfaultfd_ioctl() or
 		* madvise() to have inserted ptes or markers.  Now that we hold
-		* ptlock, repeating the anon_vma check protects from one
-		* category, and repeating the userfaultfd_wp() check from
-		* another.
+		* ptlock, repeating the retractable checks protects us from
+		* races against the prior checks.
 		*/
 		if (likely(file_backed_vma_is_retractable(vma))) {
 			pgt_pmd = pmdp_collapse_flush(vma, addr, pmd);
--
2.51.0