Wanpeng Li 8b5e770ed7 sched/deadline: Optimize pull_dl_task() ... pull_dl_task() uses pick_next_earliest_dl_task() to select a migration candidate; this is sub-optimal since the next earliest task -- as per the regular runqueue -- might not be migratable at all. This could result in iterating the entire runqueue looking for a task. Instead iterate the pushable queue -- this queue only contains tasks that have at least 2 cpus set in their cpus_allowed mask. Signed-off-by: Wanpeng Li <wanpeng.li@linux.intel.com> [ Improved the changelog. ] Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Juri Lelli <juri.lelli@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1431496867-4194-1-git-send-email-wanpeng.li@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>		2015-06-19 10:06:45 +02:00
..
auto_group.c	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00
auto_group.h	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00
clock.c
completion.c
core.c	sched/preempt: Add static_key() to preempt_notifiers	2015-06-19 10:06:45 +02:00
cpuacct.c
cpuacct.h
cpudeadline.c
cpudeadline.h
cpupri.c
cpupri.h
cputime.c	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00
deadline.c	sched/deadline: Optimize pull_dl_task()	2015-06-19 10:06:45 +02:00
debug.c	sched/debug: Add sum_sleep_runtime to /proc/<pid>/sched	2015-06-19 10:03:11 +02:00
fair.c	sched/numa: Only consider less busy nodes as numa balancing destinations	2015-06-07 15:57:45 +02:00
features.h
idle_task.c
idle.c	cpuidle: Run tick_broadcast_exit() with disabled interrupts	2015-04-29 15:19:21 +02:00
loadavg.c	sched: Move the loadavg code to a more obvious location	2015-05-08 12:04:12 +02:00
Makefile	sched: Move the loadavg code to a more obvious location	2015-05-08 12:04:12 +02:00
rt.c	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00
sched.h	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00
stats.c
stats.h	sched, timer: Use the atomic task_cputime in thread_group_cputimer	2015-05-08 12:17:46 +02:00
stop_task.c
wait.c	sched, timer: Convert usages of ACCESS_ONCE() in the scheduler to READ_ONCE()/WRITE_ONCE()	2015-05-08 12:11:32 +02:00