sched: Clean up some typos and grammatical errors in code/comments

Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1411262676-19928-1-git-send-email-zzhsuny@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

3 files changed, 6 insertions, 6 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 61ee2b327a27..a2841904f2d5 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8069,7 +8069,7 @@ static int tg_cfs_schedulable_down(struct task_group *tg, void *data)
                 struct cfs_bandwidth *parent_b = &tg->parent->cfs_bandwidth;
 
                 quota = normalize_cfs_quota(tg, d);
-                parent_quota = parent_b->hierarchal_quota;
+                parent_quota = parent_b->hierarchical_quota;
 
                 /*
                  * ensure max(child_quota) <= parent_quota, inherit when no
@@ -8080,7 +8080,7 @@ static int tg_cfs_schedulable_down(struct task_group *tg, void *data)
                 else if (parent_quota != RUNTIME_INF && quota > parent_quota)
                         return -EINVAL;
         }
-        cfs_b->hierarchal_quota = quota;
+        cfs_b->hierarchical_quota = quota;
 
         return 0;
 }
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 74fa2c210b6d..2a1e6ac6bb32 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2224,8 +2224,8 @@ static __always_inline u64 decay_load(u64 val, u64 n)
 
         /*
          * As y^PERIOD = 1/2, we can combine
-         *    y^n = 1/2^(n/PERIOD) * k^(n%PERIOD)
-         * With a look-up table which covers k^n (n<PERIOD)
+         *    y^n = 1/2^(n/PERIOD) * y^(n%PERIOD)
+         * With a look-up table which covers y^n (n<PERIOD)
          *
          * To achieve constant time decay_load.
          */
@@ -6410,7 +6410,7 @@ static struct sched_group *find_busiest_group(struct lb_env *env)
                 goto force_balance;
 
         /*
-         * If the local group is more busy than the selected busiest group
+         * If the local group is busier than the selected busiest group
          * don't try and pull any tasks.
          */
         if (local->avg_load >= busiest->avg_load)
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index aa0f73ba3777..1bc6aad1391a 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -188,7 +188,7 @@ struct cfs_bandwidth {
         raw_spinlock_t lock;
         ktime_t period;
         u64 quota, runtime;
-        s64 hierarchal_quota;
+        s64 hierarchical_quota;
         u64 runtime_expires;
 
         int idle, timer_active;