Messages in this thread | | | Date | Wed, 4 Jun 2008 15:54:16 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC][PATCH 2/2] memcg: hardwall hierarhcy for memcg |
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On Wed, 04 Jun 2008 14:42:21 +0800 Li Zefan <lizf@cn.fujitsu.com> wrote:
> KAMEZAWA Hiroyuki wrote: > > Hard-Wall hierarchy support for memcg. > > - new member hierarchy_model is added to memcg. > > > > Only root cgroup can modify this only when there is no children. > > > > Adds following functions for supporting HARDWALL hierarchy. > > - try to reclaim memory at the change of "limit". > > - try to reclaim all memory at force_empty > > - returns resources to the parent at destroy. > > > > Changelog v2->v3 > > - added documentation. > > - hierarhcy_model parameter is added. > > > > > > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> > > > > --- > > Documentation/controllers/memory.txt | 27 +++++- > > mm/memcontrol.c | 156 ++++++++++++++++++++++++++++++++++- > > 2 files changed, 178 insertions(+), 5 deletions(-) > > > > Index: temp-2.6.26-rc2-mm1/mm/memcontrol.c > > =================================================================== > > --- temp-2.6.26-rc2-mm1.orig/mm/memcontrol.c > > +++ temp-2.6.26-rc2-mm1/mm/memcontrol.c > > @@ -137,6 +137,8 @@ struct mem_cgroup { > > struct mem_cgroup_lru_info info; > > > > int prev_priority; /* for recording reclaim priority */ > > + > > + int hierarchy_model; /* used hierarchical policy */ > > hierarchy_model can be a global value instead of per cgroup value. > Ah, Hmm...yes. thank you for pointing out.
Regards, -Kame
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