Messages in this thread | | | Date | Fri, 9 Dec 2011 10:55:19 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH v8 6/9] tcp buffer limitation: per-cgroup limit |
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On Mon, 5 Dec 2011 19:35:00 -0200 Glauber Costa <glommer@parallels.com> wrote:
> This patch uses the "tcp.limit_in_bytes" field of the kmem_cgroup to > effectively control the amount of kernel memory pinned by a cgroup. > > This value is ignored in the root cgroup, and in all others, > caps the value specified by the admin in the net namespaces' > view of tcp_sysctl_mem. > > If namespaces are being used, the admin is allowed to set a > value bigger than cgroup's maximum, the same way it is allowed > to set pretty much unlimited values in a real box. > > Signed-off-by: Glauber Costa <glommer@parallels.com> > CC: David S. Miller <davem@davemloft.net> > CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com> > CC: Eric W. Biederman <ebiederm@xmission.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
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