Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-15 Thread Kamezawa Hiroyuki
(2013/04/13 8:10), Tejun Heo wrote: > Turn on use_hierarchy by default if sane_behavior is specified and > don't create .use_hierarchy file. > > It is debatable whether to remove .use_hierarchy file or make it ro as > the former could make transition easier in certain cases; however, the >

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-15 Thread Michal Hocko
On Fri 12-04-13 16:10:59, Tejun Heo wrote: > Turn on use_hierarchy by default if sane_behavior is specified and > don't create .use_hierarchy file. > > It is debatable whether to remove .use_hierarchy file or make it ro as > the former could make transition easier in certain cases; however, the >

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-15 Thread Michal Hocko
On Fri 12-04-13 16:10:59, Tejun Heo wrote: Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-15 Thread Kamezawa Hiroyuki
(2013/04/13 8:10), Tejun Heo wrote: Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the behavior

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): > Hello, Serge. > > On Sun, Apr 14, 2013 at 08:13:36PM -0500, Serge Hallyn wrote: > > If I do > > > > cd /sys/fs/cgroup/memory > > mkdir b > > cd b > > echo 1 > memory.use_hierarchy > > echo 5000 > memory.limit_in_bytes > > cat

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Tejun Heo
Hello, Serge. On Sun, Apr 14, 2013 at 08:13:36PM -0500, Serge Hallyn wrote: > If I do > > cd /sys/fs/cgroup/memory > mkdir b > cd b > echo 1 > memory.use_hierarchy > echo 5000 > memory.limit_in_bytes > cat memory.limit_in_bytes > 8192 > mkdir c >

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Michal Hocko
On Sun 14-04-13 20:13:36, Serge Hallyn wrote: > Quoting Tejun Heo (t...@kernel.org): > > Turn on use_hierarchy by default if sane_behavior is specified and > > don't create .use_hierarchy file. > > > > It is debatable whether to remove .use_hierarchy file or make it ro as > > the former could

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): > Turn on use_hierarchy by default if sane_behavior is specified and > don't create .use_hierarchy file. > > It is debatable whether to remove .use_hierarchy file or make it ro as > the former could make transition easier in certain cases; however, the >

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): > Turn on use_hierarchy by default if sane_behavior is specified and > don't create .use_hierarchy file. > > It is debatable whether to remove .use_hierarchy file or make it ro as > the former could make transition easier in certain cases; however, the >

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Michal Hocko
On Sun 14-04-13 20:13:36, Serge Hallyn wrote: Quoting Tejun Heo (t...@kernel.org): Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Tejun Heo
Hello, Serge. On Sun, Apr 14, 2013 at 08:13:36PM -0500, Serge Hallyn wrote: If I do cd /sys/fs/cgroup/memory mkdir b cd b echo 1 memory.use_hierarchy echo 5000 memory.limit_in_bytes cat memory.limit_in_bytes 8192 mkdir c cd c

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): Hello, Serge. On Sun, Apr 14, 2013 at 08:13:36PM -0500, Serge Hallyn wrote: If I do cd /sys/fs/cgroup/memory mkdir b cd b echo 1 memory.use_hierarchy echo 5000 memory.limit_in_bytes cat memory.limit_in_bytes 8192

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the behavior

Re: [PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-14 Thread Serge Hallyn
Quoting Tejun Heo (t...@kernel.org): Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the behavior

[PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-12 Thread Tejun Heo
Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the behavior changes which will be gated by sane_behavior

[PATCH 4/4] memcg: force use_hierarchy if sane_behavior

2013-04-12 Thread Tejun Heo
Turn on use_hierarchy by default if sane_behavior is specified and don't create .use_hierarchy file. It is debatable whether to remove .use_hierarchy file or make it ro as the former could make transition easier in certain cases; however, the behavior changes which will be gated by sane_behavior