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authorOleg Nesterov <oleg@redhat.com>2014-09-21 21:33:36 +0200
committerIngo Molnar <mingo@kernel.org>2014-09-24 14:47:00 +0200
commit8651c65844e93af44554272b7e0d2b142837b244 (patch)
treec5295e8aeb753c124a036345b47b5059bb329eee /kernel
parent83a0a96a5f26d974580fd7251043ff70c8f1823d (diff)
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sched: Fix the task-group check in tg_has_rt_tasks()
tg_has_rt_tasks() wants to find an RT task in this task_group, but task_rq(p)->rt.tg wrongly checks the root rt_rq. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Kirill Tkhai <ktkhai@parallels.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Mike Galbraith <umgwanakikbuti@gmail.com> Link: http://lkml.kernel.org/r/20140921193336.GA28618@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 09bde2ab2a0a..0abfb7ec9e62 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7441,7 +7441,7 @@ static inline int tg_has_rt_tasks(struct task_group *tg)
struct task_struct *g, *p;
for_each_process_thread(g, p) {
- if (rt_task(p) && task_rq(p)->rt.tg == tg)
+ if (rt_task(p) && task_group(p) == tg)
return 1;
}