On Fri 12-10-12 11:53:23, Glauber Costa wrote: > On 10/11/2012 06:35 PM, Michal Hocko wrote: > > On Mon 08-10-12 14:06:20, Glauber Costa wrote: [...] > >> Kernel memory limits are not imposed for the root cgroup. Usage for the > >> root > >> -cgroup may or may not be accounted. > >> +cgroup may or may not be accounted. The memory used is accumulated into > >> +memory.kmem.usage_in_bytes, or in a separate counter when it makes sense. > > > > Which separate counter? Is this about tcp kmem? > > > > So far, yes, this is the only case that makes sense, and the fewer the > better. In any case it exists, and I wanted to be generic.
Add (currently tcp) or something similar [...] > >> + Kernel memory is effectively set as a percentage of the user memory. > >> This > > > > not a percentage it is subset of the user memory > > > Well, this is semantics. I can change, but for me it makes a lot of > sense to think of it in terms of a percentage, because it is easy to > administer. You don't actually write a percentage, which I tried to > clarify by using the term "effective set as a percentage". I can still see somebody reading this and wondering why echo 50 > ...limit didn't set a percentage... -- Michal Hocko SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
