Messages in this thread | | | Date | Wed, 13 Apr 2011 10:02:24 +0800 | From | Li Zefan <> | Subject | Re: query: [PATCH 2/2] cgroup: Remove call to synchronize_rcu in cgroup_attach_task |
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Mike Galbraith wrote: > Greetings, > > Wrt these patches: > > https://lkml.org/lkml/2010/11/24/14 [PATCH 1/2] cgroup: Set CGRP_RELEASABLE when adding to a cgroup > https://lkml.org/lkml/2010/11/24/15 [PATCH 2/2] cgroup: Remove call to synchronize_rcu in cgroup_attach_task > > I received a query regarding 2/2 because a large database company is > apparently moving tasks between cgroups frequently enough that their > database initialization time dropped from ~11 hours to ~4 hours when > they applied this patch. > > Curious why these got no traction.
I thought Paul was following the this. I'll spend some time on patch review.
> > Regardless of the wisdom of frequent cgroup moves, Joe User launching > light tasks via cgexec would gain quite a bit as well it seems. >
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