On 09/30/2012 02:37 PM, Tejun Heo wrote: > Hello, James. > > On Sun, Sep 30, 2012 at 09:56:28AM +0100, James Bottomley wrote: >> The beancounter approach originally used by OpenVZ does exactly this. >> There are two specific problems, though, firstly you can't count >> references in generic code, so now you have to extend the cgroup >> tentacles into every object, an invasiveness which people didn't really >> like. > > Yeah, it will need some hooks. For dentry and inode, I think it would > be pretty well isolated tho. Wasn't it? > We would still need something for the stack. For open files, and for everything that becomes a potential problem. We then end up with 35 different knobs instead of one. One of the perceived advantages of this approach, is that it condenses as much data as a single knob as possible, reducing complexity and over flexibility. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>