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Subject[PATCH] sched: update root-domain spans upon departure
Date
Hi Ingo,
This patch should have been rolled into the series I dropped on you
yesterday, but was an oversight. Please apply to sched-devel at your
earliest convenience.

-Greg

-----------------------

sched: update root-domain spans upon departure

We shouldnt leave cpus enabled in the spans if that RQ has left the domain.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
---

kernel/sched.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 05a9a81..33f8b0c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5845,6 +5845,10 @@ static void rq_attach_root(struct rq *rq, struct root_domain *rd)

if (atomic_dec_and_test(&old_rd->refcount))
kfree(old_rd);
+ else {
+ cpu_clear(rq->cpu, old_rd->span);
+ cpu_clear(rq->cpu, old_rd->online);
+ }
}

atomic_inc(&rd->refcount);


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