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Commit 2b49d84b authored by Srikar Dronamraju's avatar Srikar Dronamraju Committed by Ingo Molnar
Browse files

sched/numa: Remove the NUMA sched_feature 



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: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarSrikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: default avatarPeter 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: default avatarIngo Molnar <mingo@kernel.org>
parent c3b9bc5b

kernel/sched/core.c

+0 −6
Original line number Diff line number Diff line
@@ -2120,12 +2120,6 @@ __read_mostly bool sched_numa_balancing; 
void set_numabalancing_state(bool 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

kernel/sched/features.h

+0 −16
Original line number Diff line number Diff line
@@ -72,21 +72,5 @@ SCHED_FEAT(RT_PUSH_IPI, true) 
SCHED_FEAT(FORCE_SD_OVERLAP, false)

SCHED_FEAT(RT_RUNTIME_SHARE, true)

SCHED_FEAT(LB_MIN, false)



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