diff --git a/include/mem.h b/include/mem.h
index 37125f9b5..6cfd2e30f 100644
--- a/include/mem.h
+++ b/include/mem.h
@@ -15,5 +15,11 @@ extern int parasite_dump_pages_seized(struct parasite_ctl *ctl,
 #define PME_SWAP		(1ULL << 62)
 #define PME_FILE		(1ULL << 61)
 #define PME_SOFT_DIRTY		(1ULL << 55)
+#define PME_PSHIFT_BITS		(6)
+#define PME_STATUS_BITS		(3)
+#define PME_STATUS_OFFSET	(64 - PME_STATUS_BITS)
+#define PME_PSHIFT_OFFSET	(PME_STATUS_OFFSET - PME_PSHIFT_BITS)
+#define PME_PFRAME_MASK		((1ULL << PME_PSHIFT_OFFSET) - 1)
+#define PME_PFRAME(x)		((x) & PME_PFRAME_MASK)
 
 #endif /* __CR_MEM_H__ */