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-rw-r--r--mm/hmm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/hmm.c b/mm/hmm.c
index de7b6bf77201..f9d1d89dec4d 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -963,6 +963,8 @@ static void hmm_devmem_free(struct page *page, void *data)
{
struct hmm_devmem *devmem = data;
+ page->mapping = NULL;
+
devmem->ops->free(devmem, page);
}