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| author | Jiri Kosina <jkosina@suse.cz> | 2011-07-11 14:15:48 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-07-11 14:15:55 +0200 |
| commit | b7e9c223be8ce335e30f2cf6ba588e6a4092275c (patch) | |
| tree | 2d1e3b75606abc18df7ad65e51ac3f90cd68b38d /kernel/sched.c | |
| parent | c172d82500a6cf3c32d1e650722a1055d72ce858 (diff) | |
| parent | e3bbfa78bab125f58b831b5f7f45b5a305091d72 (diff) | |
| download | linux-stable-b7e9c223be8ce335e30f2cf6ba588e6a4092275c.tar.gz linux-stable-b7e9c223be8ce335e30f2cf6ba588e6a4092275c.tar.bz2 linux-stable-b7e9c223be8ce335e30f2cf6ba588e6a4092275c.zip | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply pending patches that
are based on newer code already present upstream.
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 71e5a25a8a58..ad8ab90bb301 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -292,8 +292,8 @@ static DEFINE_SPINLOCK(task_group_lock); * (The default weight is 1024 - so there's no practical * limitation from this.) */ -#define MIN_SHARES 2 -#define MAX_SHARES (1UL << (18 + SCHED_LOAD_RESOLUTION)) +#define MIN_SHARES (1UL << 1) +#define MAX_SHARES (1UL << 18) static int root_task_group_load = ROOT_TASK_GROUP_LOAD; #endif @@ -8449,10 +8449,7 @@ int sched_group_set_shares(struct task_group *tg, unsigned long shares) if (!tg->se[0]) return -EINVAL; - if (shares < MIN_SHARES) - shares = MIN_SHARES; - else if (shares > MAX_SHARES) - shares = MAX_SHARES; + shares = clamp(shares, scale_load(MIN_SHARES), scale_load(MAX_SHARES)); mutex_lock(&shares_mutex); if (tg->shares == shares) |