diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 672676ac9615874f7b0f42cb0310ef11867e633e..4372e6b8a353f3dce002ac32b84b6dd3b53a8e31 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -73,6 +73,8 @@ Brief summary of control files.
 
  memory.kmem.tcp.limit_in_bytes  # set/show hard limit for tcp buf memory
  memory.kmem.tcp.usage_in_bytes  # show current tcp buf memory allocation
+ memory.kmem.tcp.failcnt            # show the number of tcp buf memory usage hits limits
+ memory.kmem.tcp.max_usage_in_bytes # show max tcp buf memory usage recorded
 
 1. History