On Mon, 5 Dec 2011 19:34:57 -0200 Glauber Costa <glom...@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 <glom...@parallels.com> > CC: Kirill A. Shutemov <kir...@shutemov.name> > CC: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujtsu.com> > CC: David S. Miller <da...@davemloft.net> > CC: Eric W. Biederman <ebied...@xmission.com> > CC: Eric Dumazet <eric.duma...@gmail.com> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hir...@jp.fujitsu.com> _______________________________________________ Devel mailing list Devel@openvz.org https://openvz.org/mailman/listinfo/devel