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-rw-r--r--mm/ksm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index a6d43cf9a982..2621be57bd95 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -470,7 +470,7 @@ static inline bool ksm_test_exit(struct mm_struct *mm)
static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
{
struct page *page;
- int ret = 0;
+ vm_fault_t ret = 0;
do {
cond_resched();
@@ -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;