OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
linux/kernel/sched
History
Joonsoo Kim e02e60c109 sched: Prevent to re-select dst-cpu in load_balance() 
Commit 88b8dac0 makes load_balance() consider other cpus in its
group. But, in that, there is no code for preventing to
re-select dst-cpu. So, same dst-cpu can be selected over and
over.

This patch add functionality to load_balance() in order to
exclude cpu which is selected once. We prevent to re-select
dst_cpu via env's cpus, so now, env's cpus is a candidate not
only for src_cpus, but also dst_cpus.

With this patch, we can remove lb_iterations and
max_lb_iterations, because we decide whether we can go ahead or
not via env's cpus.

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Jason Low <jason.low2@hp.com>
Cc: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1366705662-3587-7-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 		2013-04-24 08:52:46 +02:00
..
Makefile sched: Split cpuacct code out of core.c 2013-04-10 13:54:15 +02:00
auto_group.c sched: split out css_online/css_offline from tg creation/destruction 2013-01-24 12:05:18 -08:00
auto_group.h Revert "sched/autogroup: Fix crash on reboot when autogroup is disabled" 2012-12-11 10:23:45 +01:00
clock.c
…
core.c sched: Rename load_balance_tmpmask to load_balance_mask 2013-04-24 08:52:45 +02:00
cpuacct.c sched/cpuacct/UML: Fix header file dependency bug on the UML build 2013-04-10 15:12:41 +02:00
cpuacct.h sched/cpuacct: Initialize root cpuacct earlier 2013-04-10 13:54:20 +02:00
cpupri.c sched/rt: Move rt specific bits into new header file 2013-02-07 20:51:08 +01:00
cpupri.h
…
cputime.c sched/cpuacct: Add cpuacct_acount_field() 2013-04-10 13:54:17 +02:00
debug.c Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-26 19:42:08 -08:00
fair.c sched: Prevent to re-select dst-cpu in load_balance() 2013-04-24 08:52:46 +02:00
features.h Automatic NUMA Balancing V11 2012-12-16 15:18:08 -08:00
idle_task.c sched: Fix wrong rq's runnable_avg update with rt tasks 2013-04-21 11:22:52 +02:00
rt.c Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2013-02-19 18:19:48 -08:00
sched.h sched: Fix wrong rq's runnable_avg update with rt tasks 2013-04-21 11:22:52 +02:00
stats.c sched: Fix /proc/sched_stat failure on very very large systems 2013-02-22 10:27:24 +01:00
stats.h Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into cputime-tip 2011-12-19 19:23:15 +01:00
stop_task.c sched: Fix migration thread runtime bogosity 2012-08-13 18:41:55 +02:00