#define LRU_ALL_EVICTABLE (LRU_ALL_FILE | LRU_ALL_ANON)
#define LRU_ALL ((1 << NR_LRU_LISTS) - 1)
+/* Isolate inactive pages */
+#define ISOLATE_INACTIVE ((__force fmode_t)0x1)
+/* Isolate active pages */
+#define ISOLATE_ACTIVE ((__force fmode_t)0x2)
+/* Isolate clean file */
+#define ISOLATE_CLEAN ((__force fmode_t)0x4)
+/* Isolate unmapped file */
+#define ISOLATE_UNMAPPED ((__force fmode_t)0x8)
+
+/* LRU Isolation modes. */
+typedef unsigned __bitwise__ isolate_mode_t;
+
enum zone_watermarks {
WMARK_MIN,
WMARK_LOW,