IB/mlx5: Changes in memory region creation to support on-demand paging

[deliverable/linux.git] / include / linux / socket.h

diff --git a/include/linux/socket.h b/include/linux/socket.h
index 048d6d6eed6d1284a735960c9b05cf61ff1c6bf3..6e49a14365dc1bea4bc442097dcaebb7bb0c08a9 100644 (file)
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -103,6 +103,10 @@ struct cmsghdr {
                             (cmsg)->cmsg_len <= (unsigned long) \
                             ((mhdr)->msg_controllen - \
                              ((char *)(cmsg) - (char *)(mhdr)->msg_control)))
+#define for_each_cmsghdr(cmsg, msg) \
+       for (cmsg = CMSG_FIRSTHDR(msg); \
+            cmsg; \
+            cmsg = CMSG_NXTHDR(msg, cmsg))
 
 /*
  *     Get the next cmsg header