Messages in this thread | | | Date | Fri, 9 Dec 2011 10:49:01 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH v8 3/9] socket: initial cgroup code. |
| |
On Mon, 5 Dec 2011 19:34:57 -0200 Glauber Costa <glommer@parallels.com> wrote:
> The goal of this work is to move the memory pressure tcp > controls to a cgroup, instead of just relying on global > conditions. > > To avoid excessive overhead in the network fast paths, > the code that accounts allocated memory to a cgroup is > hidden inside a static_branch(). This branch is patched out > until the first non-root cgroup is created. So when nobody > is using cgroups, even if it is mounted, no significant performance > penalty should be seen. > > This patch handles the generic part of the code, and has nothing > tcp-specific. > > Signed-off-by: Glauber Costa <glommer@parallels.com> > CC: Kirill A. Shutemov <kirill@shutemov.name> > CC: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtsu.com> > CC: David S. Miller <davem@davemloft.net> > CC: Eric W. Biederman <ebiederm@xmission.com> > CC: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
| |