mbuf: remove control mbuf

[dpdk.git] / doc / guides / prog_guide / ring_lib.rst

diff --git a/doc/guides/prog_guide/ring_lib.rst b/doc/guides/prog_guide/ring_lib.rst
index d4ab502..b31ab7a 100644 (file)
--- a/doc/guides/prog_guide/ring_lib.rst
+++ b/doc/guides/prog_guide/ring_lib.rst
@@ -102,14 +102,6 @@ Name
 A ring is identified by a unique name.
 It is not possible to create two rings with the same name (rte_ring_create() returns NULL if this is attempted).
 
-Water Marking
-~~~~~~~~~~~~~
-
-The ring can have a high water mark (threshold).
-Once an enqueue operation reaches the high water mark, the producer is notified, if the water mark is configured.
-
-This mechanism can be used, for example, to exert a back pressure on I/O to inform the LAN to PAUSE.
-
 Use Cases
 ---------