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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-07-09 15:12:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-07-17 12:05:44 +0200 |
| commit | 396e894d289d69bacf5acd983c97cd6e21a14c08 (patch) | |
| tree | ec3e3ba19e332a799e1229f62663625d9c7583dd /include/linux/sched.h | |
| parent | f469461df6ff822f71b8737bda86eea20f16ff93 (diff) | |
| download | linux-3.10-396e894d289d69bacf5acd983c97cd6e21a14c08.tar.gz linux-3.10-396e894d289d69bacf5acd983c97cd6e21a14c08.tar.bz2 linux-3.10-396e894d289d69bacf5acd983c97cd6e21a14c08.zip | |
sched: Revert nohz_ratelimit() for now
Norbert reported that nohz_ratelimit() causes his laptop to burn about
4W (40%) extra. For now back out the change and see if we can adjust
the power management code to make better decisions.
Reported-by: Norbert Preining <preining@logic.at>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Mike Galbraith <efault@gmx.de>
Cc: Arjan van de Ven <arjan@infradead.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 747fcaedddb..6e0bb86de99 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -273,17 +273,11 @@ extern cpumask_var_t nohz_cpu_mask; #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ) extern int select_nohz_load_balancer(int cpu); extern int get_nohz_load_balancer(void); -extern int nohz_ratelimit(int cpu); #else static inline int select_nohz_load_balancer(int cpu) { return 0; } - -static inline int nohz_ratelimit(int cpu) -{ - return 0; -} #endif /* |