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sched/numa: Remove the NUMA sched_feature

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Variable sched_numa_balancing is available for both CONFIG_SCHED_DEBUG
and !CONFIG_SCHED_DEBUG. All code paths now check for
sched_numa_balancing. Hence remove sched_feat(NUMA).

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1439290813-6683-4-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Srikar Dronamraju 2015-08-11 16:30:13 +05:30 committed by Ingo Molnar
parent c3b9bc5bbf
commit 2b49d84b25
2 changed files with 0 additions and 22 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

6
kernel/sched/core.c
View file

@ -2120,12 +2120,6 @@ __read_mostly bool sched_numa_balancing;
void set_numabalancing_state(bool enabled) void set_numabalancing_state(bool enabled)
{ {
sched_numa_balancing = enabled; sched_numa_balancing = enabled;
#ifdef CONFIG_SCHED_DEBUG
if (enabled)
sched_feat_set("NUMA");
else
sched_feat_set("NO_NUMA");
#endif /* CONFIG_SCHED_DEBUG */
} }
#ifdef CONFIG_PROC_SYSCTL #ifdef CONFIG_PROC_SYSCTL

16
kernel/sched/features.h
View file

@ -72,21 +72,5 @@ SCHED_FEAT(RT_PUSH_IPI, true)
SCHED_FEAT(FORCE_SD_OVERLAP, false) SCHED_FEAT(FORCE_SD_OVERLAP, false)
SCHED_FEAT(RT_RUNTIME_SHARE, true) SCHED_FEAT(RT_RUNTIME_SHARE, true)
SCHED_FEAT(LB_MIN, false) SCHED_FEAT(LB_MIN, false)
SCHED_FEAT(ATTACH_AGE_LOAD, true) SCHED_FEAT(ATTACH_AGE_LOAD, true)
/*
* Apply the automatic NUMA scheduling policy. Enabled automatically
* at runtime if running on a NUMA machine. Can be controlled via
* numa_balancing=
*/
#ifdef CONFIG_NUMA_BALANCING
/*
* NUMA will favor moving tasks towards nodes where a higher number of
* hinting faults are recorded during active load balancing. It will
* resist moving tasks towards nodes where a lower number of hinting
* faults have been recorded.
*/
SCHED_FEAT(NUMA, true)
#endif