Hello, Li. On Wed, Aug 21, 2013 at 05:58:42PM +0800, Li Zefan wrote: > This patcheset introduces behavior changes, but only if you mount cgroupfs > with sane_behavior option: > > - We introduce new interfaces cpuset.effective_cpus and cpuset.effective_mems, > while cpuset.cpus and cpuset.mems will be configured masks. > > - The configured masks can be changed by writing cpuset.cpus/mems only. They > won't be changed when hotplug happens. > > - Users can config cpus and mems without restrictions from the parent cpuset. > effective masks will enforce the hierarchical behavior. > > - Users can also config cpus and mems to have already offlined CPU/nodes. > > - When a CPU/node is onlined, it will be brought back to the effective masks > if it's in the configured masks. > > - We build sched domains based on effective cpumask but not configured > cpumask.
Overall, it looks great. Thank you so much for doing this. Most of my reviews are concerned with patch descriptions and documentation. I wish they showed clearer what are changed how and why that doesn't affect !sane behaviors. Thanks! -- tejun -- 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/
