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| author | Arnd Bergmann <arnd@arndb.de> | 2011-07-15 21:56:37 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-07-15 21:56:37 +0200 |
| commit | 62778396020a29d742abf980c1e83f3df4b5426e (patch) | |
| tree | 08dc01019a1afe6ed16ab79c627ecd81caea52e0 /kernel/sched.c | |
| parent | 58f45e3c6f4fd2b9b9d7d43af71409a79a4b4cf6 (diff) | |
| parent | d3144df5bd8eb1c8137cc92989e2e6bc9f2e5a27 (diff) | |
| download | lwn-62778396020a29d742abf980c1e83f3df4b5426e.tar.gz lwn-62778396020a29d742abf980c1e83f3df4b5426e.zip | |
Merge branch 'fixes-for-arnd' of git://git.pengutronix.de/git/imx/linux-2.6 into imx/fixes
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 3f2e502d609b..9769c756ad66 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 @@ -8450,10 +8450,7 @@ 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) |