On Mon, 3 Oct 2011 14:18:41 +0400 Glauber Costa <glommer@xxxxxxxxxxxxx> wrote: > This patch uses the "tcp_max_mem" field of the kmem_cgroup to > effectively control the amount of kernel memory pinned by a cgroup. > > We have to make sure that none of the memory pressure thresholds > specified in the namespace are bigger than the current cgroup. > > Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx> > CC: David S. Miller <davem@xxxxxxxxxxxxx> > CC: Hiroyouki Kamezawa <kamezawa.hiroyu@xxxxxxxxxxxxxx> > CC: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> > --- > Documentation/cgroups/memory.txt | 1 + > include/linux/memcontrol.h | 10 +++++ > include/net/tcp.h | 1 + > mm/memcontrol.c | 76 +++++++++++++++++++++++++++++++++++--- > net/ipv4/sysctl_net_ipv4.c | 20 ++++++++++ > 5 files changed, 102 insertions(+), 6 deletions(-) > > diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt > index 6f1954a..1ffde3e 100644 > --- a/Documentation/cgroups/memory.txt > +++ b/Documentation/cgroups/memory.txt > @@ -78,6 +78,7 @@ Brief summary of control files. > > memory.independent_kmem_limit # select whether or not kernel memory limits are > independent of user limits > + memory.kmem.tcp.max_memory # set/show hard limit for tcp buf memory > What is the releationship between tcp.max_memory and kmem_limit ? tcp.max_memory < kmem_limit ? usage of tcp memory is included in kmem usage ? Thanks, -Kame -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>