#define PIPE_BUFFERS (16)
-#define PIPE_BUF_FLAG_ATOMIC 0x01 /* was atomically mapped */
-#define PIPE_BUF_FLAG_GIFT 0x02 /* page is a gift */
+#define PIPE_BUF_FLAG_LRU 0x01 /* page is on the LRU */
+#define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */
+#define PIPE_BUF_FLAG_GIFT 0x04 /* page is a gift */
struct pipe_buffer {
struct page *page;