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-rw-r--r--mm/ksm.c3
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;