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| author | Srikar Dronamraju <srikar@linux.vnet.ibm.com> | 2015-08-11 21:54:21 +0530 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-09-13 09:52:54 +0200 |
| commit | 2a595721a1fa6b684c1c818f379bef834ac3d65e (patch) | |
| tree | 36ad793dceb62bdefefb9ec58d0f98d017c61676 /kernel/sched/sched.h | |
| parent | 2b49d84b259fc18e131026e5d38e7855352f71b9 (diff) | |
| download | lwn-2a595721a1fa6b684c1c818f379bef834ac3d65e.tar.gz lwn-2a595721a1fa6b684c1c818f379bef834ac3d65e.zip | |
sched/numa: Convert sched_numa_balancing to a static_branch
Variable sched_numa_balancing toggles numa_balancing feature. Hence
moving from a simple read mostly variable to a more apt static_branch.
Suggested-by: Peter Zijlstra <peterz@infradead.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: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1439310261-16124-1-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 0d8f885b215b..2e8530d02b02 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1003,11 +1003,7 @@ extern struct static_key sched_feat_keys[__SCHED_FEAT_NR]; #define sched_feat(x) (sysctl_sched_features & (1UL << __SCHED_FEAT_##x)) #endif /* SCHED_DEBUG && HAVE_JUMP_LABEL */ -#ifdef CONFIG_NUMA_BALANCING -extern bool sched_numa_balancing; -#else -#define sched_numa_balancing (0) -#endif /* CONFIG_NUMA_BALANCING */ +extern struct static_key_false sched_numa_balancing; static inline u64 global_rt_period(void) { |