1 files changed, 3 insertions, 0 deletions

diff --git a/mm/ksm.c b/mm/ksm.c
index a6d43cf9a982..9b855a8b0f2d 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2430,6 +2430,9 @@ int ksm_madvise(struct vm_area_struct *vma, unsigned long start,
                                  VM_HUGETLB | VM_MIXEDMAP))
                         return 0;               /* just ignore the advice */
 
+                if (vma_is_dax(vma))
+                        return 0;
+
 #ifdef VM_SAO
                 if (*vm_flags & VM_SAO)
                         return 0;