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Bug#566727: linux-image-2.6.32 missing memory cgroup controllers



Package: linux-image-2.6.32-trunk-amd64
Version: 2.6.32-5
Severity: wishlist

Support for memory cgroups controllers are not included in the new
2.6.32 kernel.  This would be nice say for putting limits on a how much
memory a group of VMs can use.

I believe the following two options need to be enabled in the kernel:
CONFIG_RESOURCE_COUNTERS
CONFIG_CGROUP_MEM_RES_CTLR

Here's some more info:

# dpkg -l | grep linux-image-2.6.32
ii  linux-image-2.6.32-trunk-amd64          2.6.32-5 Linux 2.6.32 for 64-bit PCs

# uname -a
Linux oberon 2.6.32-trunk-amd64 #1 SMP Sun Jan 10 22:40:40 UTC 2010 x86_64 GNU/Linux

# cat /proc/cgroups 
#subsys_name    hierarchy       num_cgroups     enabled
cpuset  0       1       1
ns      0       1       1
cpu     11      8       1
cpuacct 11      8       1
devices 11      8       1
freezer 0       1       1
net_cls 0       1       1

# cat /etc/debian_version 
squeeze/sid

See Also:
http://berrange.com/personal/diary/2009/12/using-cgroups-with-libvirt-and-lxckvm

Let me know if you need any more info.

Thanks,
Brian

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