On Mon, Nov 30, 2015 at 05:45:43PM -0500, Tejun Heo wrote: > From 7bbb8d4e913853a1346d95745ca8092f0cc8ce00 Mon Sep 17 00:00:00 2001 > From: Tejun Heo <tj@xxxxxxxxxx> > Date: Mon, 30 Nov 2015 17:24:34 -0500 > > Because accounting resources for the root cgroup sometimes incurs > measureable overhead for workloads which don't care about cgroup and > often ends up calculating a number which is available elsewhere in a > slightly different form, cgroup is not in the business of providing > system-wide statistics. The pids controller which was introduced > recently was exposing "pids.current" at the root. This patch disable > accounting for root cgroup and removes the file from the root > directory. > > While this is a userland visible behavior change, pids has been > available only in one version and was badly broken there, so I don't > think this will be noticeable. If it turns out to be a problem, we > can reinstate it for v1 hierarchies. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Cc: Aleksa Sarai <cyphar@xxxxxxxxxx> Applying to cgroup/for-4.4-fixes. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
