[PATCH] meminfo: show /proc/meminfo base on container's memcg

[David Rientjes]

On Thu, 31 May 2012, Kamezawa Hiroyuki wrote:

> > > My test with sysfs node's meminfo seems to work...
> > > 
> > > [root at rx100-1 qqm]# mount --bind /sys/devices/system/node/node0/meminfo
> > > /proc/meminfo
> > > [root at rx100-1 qqm]# cat /proc/meminfo
> > > 
> > > Node 0 MemTotal:        8379636 kB
> > 
> > This doesn't seem like a good idea unless the application supports the
> > "Node 0" prefix in /proc/meminfo.
> > 
> Of course, /cgroup/memory/..../memory.meminfo , a new file, will use the same
> format of /proc/meminfo. Above is just an example of bind-mount.
> 

It's not just a memcg issue, it would also be a cpusets issue.