On Fri, Apr 12, 2013 at 09:47:08AM -0400, Michael R. Hines wrote: > Second, as I've explained, I strongly, strongly disagree with unregistering > memory for all of the aforementioned reasons - workloads do not > operate in such a manner that they can tolerate memory to be > pulled out from underneath them at such fine-grained time scales > in the *middle* of a relocation and I will not commit to writing a solution > for a problem that doesn't exist.
Exactly same thing happens with swap, doesn't it? You are saying workloads simply can not tolerate swap. > If you can prove (through some kind of anaylsis) that workloads > would benefit from this kind of fine-grained memory overcommit > by having cgroups swap out memory to disk underneath them > without their permission, I would happily reconsider my position. > > - Michael This has nothing to do with cgroups directly, it's just a way to demonstrate you have a bug. -- MST