1 files changed, 2 insertions, 0 deletions

diff --git a/mm/hmm.c b/mm/hmm.c
index 0b0554591610..c968e49f7a0c 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -968,6 +968,8 @@ static void hmm_devmem_free(struct page *page, void *data)
 {
         struct hmm_devmem *devmem = data;
 
+        page->mapping = NULL;
+
         devmem->ops->free(devmem, page);
 }