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authorGlauber Costa <glommer@parallels.com>2011-12-11 21:47:07 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-12 19:04:11 -0500
commit5a6dd343770d2ae2c25f7a4b1998c091e6252f42 (patch)
tree2675741dd0e09d0099502da36cfb06a7b63dc746 /Documentation
parent3aaabe2342c36bf48567b88fa78b819eee14bb5e (diff)
Display current tcp memory allocation in kmem cgroup
This patch introduces kmem.tcp.usage_in_bytes file, living in the kmem_cgroup filesystem. It is a simple read-only file that displays the amount of kernel memory currently consumed by the cgroup. Signed-off-by: Glauber Costa <glommer@parallels.com> Reviewed-by: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> CC: David S. Miller <davem@davemloft.net> CC: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cgroups/memory.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 1c9779a74a25..6922b6cb58e3 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -79,6 +79,7 @@ Brief summary of control files.
memory.independent_kmem_limit # select whether or not kernel memory limits are
independent of user limits
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
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