Messages in this thread | | | Date | Tue, 14 Jul 2009 11:26:38 +0530 | From | Balbir Singh <> | Subject | Re: [PATCH 0/2] CGroups: cgroup member list enhancement/fix |
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* menage@google.com <menage@google.com> [2009-07-13 09:26:26]:
> On Mon, Jul 13, 2009 at 5:11 AM, Balbir Singh<balbir@linux.vnet.ibm.com> wrote: > > > > How about lazy migration? Mark a group as to move when the kernel sees > > it next for scheduling. > > Waiting for the next scheduling point might be too long, since a > thread can block for arbitrary amounts of time and keeping the marker > around for arbitrary time (unless we add a new task_struct field) > would be tricky. Marking the cgroup or tgid as being migrated which > then triggers the extra synchronization in the fork path (but which > isn't needed at other times) is probably where we'll end up.
Hmm... but we would not need that information till we schedule the tasks, adding a field to task_struct is what I had in mind.
-- Balbir
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