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DateFri, 23 Jul 2010 12:32:26 +0200
FromJan Safranek <>
SubjectRe: [PATCH] cgroupfs: create /sys/fs/cgroup to mount cgroupfs on
On 07/23/2010 04:07 AM, Vivek Goyal wrote:
> On Thu, Jul 22, 2010 at 04:14:01PM -0700, Greg KH wrote:
>> On Fri, Jul 23, 2010 at 01:08:12AM +0200, Kay Sievers wrote:
>>> On Thu, Jul 22, 2010 at 23:18, Greg KH<gregkh@suse.de> wrote:
>>>>> For my testing I now always use /cgroup/ and create directories under it
>>>>> /cgroup/blkio /cgroup/cpu etc and mount controllers on respective
>>>>> directories.
>>>>
>>>> Lennart and Kay, is this what systemd is doing? I really don't think we
>>>> should be adding a root /cgroup/ mount point to the system for something
>>>> like this.
>>>
>>> Already solved. Systemd always mounts an empty tmpfs at the 'cgroup'
>>> mountpoint, and stuff is free to create subdirs there. Systemd itself
>>> mount 'systemd' there.
>>
>> Ah, that makes it easier. Paul and Vivek, any objection to this patch
>> going in now?
>>
>
> This sounds reasonable to me also.
>
> Jan, I know you have been working in this area and raised concenrs about
> cgroup mount point in the past. Does it look good to you?

I would prefer some place where subdirectories can be created for
individual hierarchies without additional tmpfs there. But as I
understand /sys, it's not an easy feature to implement it there, so no,
I am not against /sys/fs/cgroup.

Jan


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