Messages in this thread | | | Date | Wed, 04 Jun 2008 14:42:21 +0800 | From | Li Zefan <> | Subject | Re: [RFC][PATCH 2/2] memcg: hardwall hierarhcy for memcg |
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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.
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