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sched/fair: fix building without CGROUP_SCHEDTUNE

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Fixes: e00ebdcb8a ("sched/tune: don't use schedtune before it is ready")
Change-Id: I86312b6d271365cfb94e6ca570771a6bca46e67b
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
This commit is contained in:
Huang, Tao 2017-07-12 21:03:19 +08:00
parent 793e6e3001
commit 0dc92faf3e
1 changed files with 4 additions and 0 deletions
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4
kernel/sched/fair.c
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@ -5597,7 +5597,9 @@ static inline int __energy_diff(struct energy_env *eenv)
#ifdef CONFIG_SCHED_TUNE
struct target_nrg schedtune_target_nrg;
#ifdef CONFIG_CGROUP_SCHEDTUNE
extern bool schedtune_initialized;
#endif
/*
* System energy normalization
* Returns the normalized value, in the range [0..SCHED_CAPACITY_SCALE],
@ -5608,9 +5610,11 @@ normalize_energy(int energy_diff)
{
u32 normalized_nrg;
#ifdef CONFIG_CGROUP_SCHEDTUNE
/* during early setup, we don't know the extents */
if (unlikely(!schedtune_initialized))
return energy_diff < 0 ? -1 : 1 ;
#endif
#ifdef CONFIG_SCHED_DEBUG
{