Re: [PATCH 04/14] net: tcp_memcontrol: remove bogus hierarchy pressure propagation

2015-11-20 Thread Vladimir Davydov
On Thu, Nov 12, 2015 at 06:41:23PM -0500, Johannes Weiner wrote: > When a cgroup currently breaches its socket memory limit, it enters > memory pressure mode for itself and its *ancestors*. This throttles > transmission in unrelated sibling and cousin subtrees that have > nothing to do with the bre

Re: [PATCH 04/14] net: tcp_memcontrol: remove bogus hierarchy pressure propagation

2015-11-13 Thread David Miller
From: Johannes Weiner Date: Thu, 12 Nov 2015 18:41:23 -0500 > When a cgroup currently breaches its socket memory limit, it enters > memory pressure mode for itself and its *ancestors*. This throttles > transmission in unrelated sibling and cousin subtrees that have > nothing to do with the breach

[PATCH 04/14] net: tcp_memcontrol: remove bogus hierarchy pressure propagation

2015-11-12 Thread Johannes Weiner
When a cgroup currently breaches its socket memory limit, it enters memory pressure mode for itself and its *ancestors*. This throttles transmission in unrelated sibling and cousin subtrees that have nothing to do with the breached limit. On the contrary, breaching a limit should make that group a