diff --git a/include/uapi/linux/kernel-page-flags.h b/include/uapi/linux/kernel-page-flags.h
new file mode 100644
index 0000000..5da5f87
--- /dev/null
+++ b/include/uapi/linux/kernel-page-flags.h
@@ -0,0 +1,39 @@
+#ifndef _UAPILINUX_KERNEL_PAGE_FLAGS_H
+#define _UAPILINUX_KERNEL_PAGE_FLAGS_H
+
+/*
+ * Stable page flag bits exported to user space
+ */
+
+#define KPF_LOCKED		0
+#define KPF_ERROR		1
+#define KPF_REFERENCED		2
+#define KPF_UPTODATE		3
+#define KPF_DIRTY		4
+#define KPF_LRU			5
+#define KPF_ACTIVE		6
+#define KPF_SLAB		7
+#define KPF_WRITEBACK		8
+#define KPF_RECLAIM		9
+#define KPF_BUDDY		10
+
+/* 11-20: new additions in 2.6.31 */
+#define KPF_MMAP		11
+#define KPF_ANON		12
+#define KPF_SWAPCACHE		13
+#define KPF_SWAPBACKED		14
+#define KPF_COMPOUND_HEAD	15
+#define KPF_COMPOUND_TAIL	16
+#define KPF_HUGE		17
+#define KPF_UNEVICTABLE		18
+#define KPF_HWPOISON		19
+#define KPF_NOPAGE		20
+
+#define KPF_KSM			21
+#define KPF_THP			22
+#define KPF_BALLOON		23
+#define KPF_ZERO_PAGE		24
+#define KPF_IDLE		25
+
+
+#endif /* _UAPILINUX_KERNEL_PAGE_FLAGS_H */