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-rw-r--r--include/linux/mm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index b7966ab8cb6a..26146623be2f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -593,6 +593,7 @@ static inline int page_mapped(struct page *page)
*/
#define NOPAGE_SIGBUS (NULL)
#define NOPAGE_OOM ((struct page *) (-1))
+#define NOPAGE_REFAULT ((struct page *) (-2)) /* Return to userspace, rerun */
/*
* Error return values for the *_nopfn functions