[systemd-devel] [PATCH 1/5] cgroup: add the setting memory.use_hierarchy support for systemd

[Gao feng]

On 09/13/2013 08:26 PM, Lennart Poettering wrote:
> On Fri, 13.09.13 17:49, Gao feng (gaofeng at cn.fujitsu.com) wrote:
> 
>> Some programs need to set the memory.use_hierarchy(such as libvirt),
>> Add this feature.
> 
> Hmm, should this really be an option? Shouldn't we much rather turn this
> on unconditionally if the memory controller is used for a unit?
> 
> This appears like an option that would go a way in Tejun's new sane
> cgroup tree logic anyway, no?
> 

So, systemd has no job to deal with memory hierarchy? the kernel will
support memory hierarchy unconditionally? right?