1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 70ae9332ec16..ec384958d509 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -5,10 +5,14 @@
 
 #define PIPE_BUFFERS (16)
 
+#define PIPE_BUF_FLAG_STOLEN    0x01
+#define PIPE_BUF_FLAG_LRU       0x02
+
 struct pipe_buffer {
         struct page *page;
         unsigned int offset, len;
         struct pipe_buf_operations *ops;
+        unsigned int flags;
 };
 
 struct pipe_buf_operations {