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authorPeter Zijlstra <peterz@infradead.org>2015-05-15 17:43:35 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-12 12:06:09 +0200
commitc5b2803840817115e9b568d5054e5007ae36176b (patch)
treecf95c50a52bf6e99c9c7eaff63534b535d7ba0c2 /kernel/sched/sched.h
parent25834c73f93af7f0712c98ca4593691592e6b360 (diff)
downloadop-kernel-dev-c5b2803840817115e9b568d5054e5007ae36176b.zip
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sched: Make sched_class::set_cpus_allowed() unconditional
Give every class a set_cpus_allowed() method, this enables some small optimization in the RT,DL implementation by avoiding a double cpumask_weight() call. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dedekind1@gmail.com Cc: juri.lelli@arm.com Cc: mgorman@suse.de Cc: riel@redhat.com Cc: rostedt@goodmis.org Link: http://lkml.kernel.org/r/20150515154833.614517487@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r--kernel/sched/sched.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 22ccc55..68cda11 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1255,6 +1255,8 @@ extern void trigger_load_balance(struct rq *rq);
extern void idle_enter_fair(struct rq *this_rq);
extern void idle_exit_fair(struct rq *this_rq);
+extern void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_mask);
+
#else
static inline void idle_enter_fair(struct rq *rq) { }
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