Rik van Riel e63da03639 sched/numa: Allow task switch if load imbalance improves ...

Currently the NUMA balancing code only allows moving tasks between NUMA
nodes when the load on both nodes is in balance. This breaks down when
the load was imbalanced to begin with.

Allow tasks to be moved between NUMA nodes if the imbalance is small,
or if the new imbalance is be smaller than the original one.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: mgorman@suse.de
Cc: chegu_vinod@hp.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/20140514132221.274b3463@annuminas.surriel.com

2014-05-22 11:16:38 +02:00

..

auto_group.c

sched: Replace hardcoding of -20 and 19 with MIN_NICE and MAX_NICE

2014-02-22 18:15:54 +01:00

auto_group.h

Revert "sched/autogroup: Fix crash on reboot when autogroup is disabled"

2012-12-11 10:23:45 +01:00

clock.c

kernel: use macros from compiler.h instead of __attribute__((...))

2014-04-07 16:36:11 -07:00

completion.c

sched: Move completion code from core.c to completion.c

2013-11-06 07:49:19 +01:00

core.c

sched: Consolidate open coded implementations of nice level frobbing into nice_to_rlimit() and rlimit_to_nice()

2014-05-22 11:16:36 +02:00

cpuacct.c

cgroup: clean up cgroup_subsys names and initialization

2014-02-08 10:36:58 -05:00

cpuacct.h

sched/cpuacct: Initialize root cpuacct earlier

2013-04-10 13:54:20 +02:00

cpudeadline.c

sched/deadline: Replace NR_CPUS arrays

2014-05-22 10:21:28 +02:00

cpudeadline.h

sched/deadline: Replace NR_CPUS arrays

2014-05-22 10:21:28 +02:00

cpupri.c

sched/cpupri: Replace NR_CPUS arrays

2014-05-22 10:21:29 +02:00

cpupri.h

sched/cpupri: Replace NR_CPUS arrays

2014-05-22 10:21:29 +02:00

cputime.c

sched: Sanitize irq accounting madness

2014-05-07 11:51:30 +02:00

deadline.c

sched/rt: Fix 'struct sched_dl_entity' and dl_task_time() comments, to match the current upstream code

2014-05-22 11:16:37 +02:00

debug.c

Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

2014-04-03 13:05:42 -07:00

fair.c

sched/numa: Allow task switch if load imbalance improves

2014-05-22 11:16:38 +02:00

features.h

sched/numa: Resist moving tasks towards nodes with fewer hinting faults

2013-10-09 12:40:27 +02:00

idle_task.c

sched/fair: Push down check for high priority class task into idle_balance()

2014-03-11 12:05:37 +01:00

idle.c

Merge branch 'pm-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into sched/core

2014-05-22 10:37:06 +02:00

Makefile

sched/idle: Move cpu/idle.c to sched/idle.c

2014-02-11 09:58:30 +01:00

proc.c

sched: Change get_rq_runnable_load() to static and inline

2013-06-27 10:07:44 +02:00

rt.c

sched, nohz: Change rq->nr_running to always use wrappers

2014-05-22 11:16:33 +02:00

sched.h

sched, nohz: Change rq->nr_running to always use wrappers

2014-05-22 11:16:33 +02:00

stats.c

kernel: audit/fix non-modular users of module_init in core code

2014-04-03 16:21:07 -07:00

stats.h

sched: Micro-optimize by dropping unnecessary task_rq() calls

2013-09-25 13:51:06 +02:00

stop_task.c

sched, nohz: Change rq->nr_running to always use wrappers

2014-05-22 11:16:33 +02:00

wait.c

sched: Move wait code from core.c to wait.c

2013-11-06 07:49:18 +01:00