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Message-ID: <161638166597.398.16889565063718547507.tip-bot2@tip-bot2>
Date: Mon, 22 Mar 2021 02:54:25 -0000
From: "tip-bot2 for Ingo Molnar" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Mike Galbraith <efault@....de>,
Juri Lelli <juri.lelli@...hat.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Dietmar Eggemann <dietmar.eggemann@....com>,
Steven Rostedt <rostedt@...dmis.org>,
Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [tip: sched/core] sched: Fix various typos
The following commit has been merged into the sched/core branch of tip:
Commit-ID: 3b03706fa621ce31a3e9ef6307020fde4e6aae16
Gitweb: https://git.kernel.org/tip/3b03706fa621ce31a3e9ef6307020fde4e6aae16
Author: Ingo Molnar <mingo@...nel.org>
AuthorDate: Thu, 18 Mar 2021 13:38:50 +01:00
Committer: Ingo Molnar <mingo@...nel.org>
CommitterDate: Mon, 22 Mar 2021 00:11:52 +01:00
sched: Fix various typos
Fix ~42 single-word typos in scheduler code comments.
We have accumulated a few fun ones over the years. :-)
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Juri Lelli <juri.lelli@...hat.com>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Ben Segall <bsegall@...gle.com>
Cc: Mel Gorman <mgorman@...e.de>
Cc: linux-kernel@...r.kernel.org
---
include/linux/sched.h | 2 +-
kernel/sched/clock.c | 2 +-
kernel/sched/core.c | 2 +-
kernel/sched/cpuacct.c | 2 +-
kernel/sched/cpufreq_schedutil.c | 2 +-
kernel/sched/cpupri.c | 4 ++--
kernel/sched/cputime.c | 2 +-
kernel/sched/deadline.c | 12 ++++++------
kernel/sched/debug.c | 2 +-
kernel/sched/fair.c | 18 +++++++++---------
kernel/sched/features.h | 2 +-
kernel/sched/idle.c | 4 ++--
kernel/sched/loadavg.c | 2 +-
kernel/sched/pelt.c | 2 +-
kernel/sched/pelt.h | 2 +-
kernel/sched/psi.c | 6 +++---
kernel/sched/rt.c | 6 +++---
kernel/sched/sched.h | 8 ++++----
kernel/sched/stats.c | 2 +-
kernel/sched/topology.c | 2 +-
20 files changed, 42 insertions(+), 42 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index cf245bc..05572e2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1097,7 +1097,7 @@ struct task_struct {
#ifdef CONFIG_CPUSETS
/* Protected by ->alloc_lock: */
nodemask_t mems_allowed;
- /* Seqence number to catch updates: */
+ /* Sequence number to catch updates: */
seqcount_spinlock_t mems_allowed_seq;
int cpuset_mem_spread_rotor;
int cpuset_slab_spread_rotor;
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
index 12bca64..c2b2859 100644
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -41,7 +41,7 @@
* Otherwise it tries to create a semi stable clock from a mixture of other
* clocks, including:
*
- * - GTOD (clock monotomic)
+ * - GTOD (clock monotonic)
* - sched_clock()
* - explicit idle events
*
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 28c4df6..3384ea7 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8975,7 +8975,7 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota)
return -EINVAL;
/*
- * Likewise, bound things on the otherside by preventing insane quota
+ * Likewise, bound things on the other side by preventing insane quota
* periods. This also allows us to normalize in computing quota
* feasibility.
*/
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 941c28c..104a1ba 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -104,7 +104,7 @@ static u64 cpuacct_cpuusage_read(struct cpuacct *ca, int cpu,
/*
* We allow index == CPUACCT_STAT_NSTATS here to read
- * the sum of suages.
+ * the sum of usages.
*/
BUG_ON(index > CPUACCT_STAT_NSTATS);
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 50cbad8..7cc2e11 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -471,7 +471,7 @@ static void sugov_work(struct kthread_work *work)
/*
* Hold sg_policy->update_lock shortly to handle the case where:
- * incase sg_policy->next_freq is read here, and then updated by
+ * in case sg_policy->next_freq is read here, and then updated by
* sugov_deferred_update() just before work_in_progress is set to false
* here, we may miss queueing the new update.
*
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index ec9be78..d583f2a 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -77,7 +77,7 @@ static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p,
* When looking at the vector, we need to read the counter,
* do a memory barrier, then read the mask.
*
- * Note: This is still all racey, but we can deal with it.
+ * Note: This is still all racy, but we can deal with it.
* Ideally, we only want to look at masks that are set.
*
* If a mask is not set, then the only thing wrong is that we
@@ -186,7 +186,7 @@ int cpupri_find_fitness(struct cpupri *cp, struct task_struct *p,
* The cost of this trade-off is not entirely clear and will probably
* be good for some workloads and bad for others.
*
- * The main idea here is that if some CPUs were overcommitted, we try
+ * The main idea here is that if some CPUs were over-committed, we try
* to spread which is what the scheduler traditionally did. Sys admins
* must do proper RT planning to avoid overloading the system if they
* really care.
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 5f61165..3b36644 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -563,7 +563,7 @@ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
/*
* If either stime or utime are 0, assume all runtime is userspace.
- * Once a task gets some ticks, the monotonicy code at 'update:'
+ * Once a task gets some ticks, the monotonicity code at 'update:'
* will ensure things converge to the observed ratio.
*/
if (stime == 0) {
diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index aac3539..9a29897 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -245,7 +245,7 @@ static void dl_change_utilization(struct task_struct *p, u64 new_bw)
p->dl.dl_non_contending = 0;
/*
* If the timer handler is currently running and the
- * timer cannot be cancelled, inactive_task_timer()
+ * timer cannot be canceled, inactive_task_timer()
* will see that dl_not_contending is not set, and
* will not touch the rq's active utilization,
* so we are still safe.
@@ -267,7 +267,7 @@ static void dl_change_utilization(struct task_struct *p, u64 new_bw)
* fires.
*
* If the task wakes up again before the inactive timer fires,
- * the timer is cancelled, whereas if the task wakes up after the
+ * the timer is canceled, whereas if the task wakes up after the
* inactive timer fired (and running_bw has been decreased) the
* task's utilization has to be added to running_bw again.
* A flag in the deadline scheduling entity (dl_non_contending)
@@ -385,7 +385,7 @@ static void task_contending(struct sched_dl_entity *dl_se, int flags)
dl_se->dl_non_contending = 0;
/*
* If the timer handler is currently running and the
- * timer cannot be cancelled, inactive_task_timer()
+ * timer cannot be canceled, inactive_task_timer()
* will see that dl_not_contending is not set, and
* will not touch the rq's active utilization,
* so we are still safe.
@@ -1206,7 +1206,7 @@ extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq);
* Since rq->dl.running_bw and rq->dl.this_bw contain utilizations
* multiplied by 2^BW_SHIFT, the result has to be shifted right by
* BW_SHIFT.
- * Since rq->dl.bw_ratio contains 1 / Umax multipled by 2^RATIO_SHIFT,
+ * Since rq->dl.bw_ratio contains 1 / Umax multiplied by 2^RATIO_SHIFT,
* dl_bw is multiped by rq->dl.bw_ratio and shifted right by RATIO_SHIFT.
* Since delta is a 64 bit variable, to have an overflow its value
* should be larger than 2^(64 - 20 - 8), which is more than 64 seconds.
@@ -1737,7 +1737,7 @@ static void migrate_task_rq_dl(struct task_struct *p, int new_cpu __maybe_unused
p->dl.dl_non_contending = 0;
/*
* If the timer handler is currently running and the
- * timer cannot be cancelled, inactive_task_timer()
+ * timer cannot be canceled, inactive_task_timer()
* will see that dl_not_contending is not set, and
* will not touch the rq's active utilization,
* so we are still safe.
@@ -2745,7 +2745,7 @@ void __getparam_dl(struct task_struct *p, struct sched_attr *attr)
/*
* Default limits for DL period; on the top end we guard against small util
- * tasks still getting rediculous long effective runtimes, on the bottom end we
+ * tasks still getting ridiculously long effective runtimes, on the bottom end we
* guard against timer DoS.
*/
unsigned int sysctl_sched_dl_period_max = 1 << 22; /* ~4 seconds */
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 486f403..4b49cc2 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -815,7 +815,7 @@ void sysrq_sched_debug_show(void)
}
/*
- * This itererator needs some explanation.
+ * This iterator needs some explanation.
* It returns 1 for the header position.
* This means 2 is CPU 0.
* In a hotplugged system some CPUs, including CPU 0, may be missing so we have
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2e2ab1e..6aad028 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1125,7 +1125,7 @@ static unsigned int task_nr_scan_windows(struct task_struct *p)
return rss / nr_scan_pages;
}
-/* For sanitys sake, never scan more PTEs than MAX_SCAN_WINDOW MB/sec. */
+/* For sanity's sake, never scan more PTEs than MAX_SCAN_WINDOW MB/sec. */
#define MAX_SCAN_WINDOW 2560
static unsigned int task_scan_min(struct task_struct *p)
@@ -2577,7 +2577,7 @@ no_join:
}
/*
- * Get rid of NUMA staticstics associated with a task (either current or dead).
+ * Get rid of NUMA statistics associated with a task (either current or dead).
* If @final is set, the task is dead and has reached refcount zero, so we can
* safely free all relevant data structures. Otherwise, there might be
* concurrent reads from places like load balancing and procfs, and we should
@@ -3952,7 +3952,7 @@ static inline void util_est_dequeue(struct cfs_rq *cfs_rq,
*
* abs(x) < y := (unsigned)(x + y - 1) < (2 * y - 1)
*
- * NOTE: this only works when value + maring < INT_MAX.
+ * NOTE: this only works when value + margin < INT_MAX.
*/
static inline bool within_margin(int value, int margin)
{
@@ -4256,7 +4256,7 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int flags)
/*
* When bandwidth control is enabled, cfs might have been removed
* because of a parent been throttled but cfs->nr_running > 1. Try to
- * add it unconditionnally.
+ * add it unconditionally.
*/
if (cfs_rq->nr_running == 1 || cfs_bandwidth_used())
list_add_leaf_cfs_rq(cfs_rq);
@@ -5311,7 +5311,7 @@ static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
* bits doesn't do much.
*/
-/* cpu online calback */
+/* cpu online callback */
static void __maybe_unused update_runtime_enabled(struct rq *rq)
{
struct task_group *tg;
@@ -6963,7 +6963,7 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
/*
* This is possible from callers such as attach_tasks(), in which we
- * unconditionally check_prempt_curr() after an enqueue (which may have
+ * unconditionally check_preempt_curr() after an enqueue (which may have
* lead to a throttle). This both saves work and prevents false
* next-buddy nomination below.
*/
@@ -7595,7 +7595,7 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
return 0;
}
- /* Record that we found atleast one task that could run on dst_cpu */
+ /* Record that we found at least one task that could run on dst_cpu */
env->flags &= ~LBF_ALL_PINNED;
if (task_running(env->src_rq, p)) {
@@ -9690,7 +9690,7 @@ more_balance:
* load to given_cpu. In rare situations, this may cause
* conflicts (balance_cpu and given_cpu/ilb_cpu deciding
* _independently_ and at _same_ time to move some load to
- * given_cpu) causing exceess load to be moved to given_cpu.
+ * given_cpu) causing excess load to be moved to given_cpu.
* This however should not happen so much in practice and
* moreover subsequent load balance cycles should correct the
* excess load moved.
@@ -9834,7 +9834,7 @@ out_one_pinned:
/*
* newidle_balance() disregards balance intervals, so we could
* repeatedly reach this code, which would lead to balance_interval
- * skyrocketting in a short amount of time. Skip the balance_interval
+ * skyrocketing in a short amount of time. Skip the balance_interval
* increase logic to avoid that.
*/
if (env.idle == CPU_NEWLY_IDLE)
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index 1bc2b15..422fa68 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -27,7 +27,7 @@ SCHED_FEAT(NEXT_BUDDY, false)
SCHED_FEAT(LAST_BUDDY, true)
/*
- * Consider buddies to be cache hot, decreases the likelyness of a
+ * Consider buddies to be cache hot, decreases the likeliness of a
* cache buddy being migrated away, increases cache locality.
*/
SCHED_FEAT(CACHE_HOT_BUDDY, true)
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 7a92d60..7ca3d3d 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -163,7 +163,7 @@ static int call_cpuidle(struct cpuidle_driver *drv, struct cpuidle_device *dev,
*
* NOTE: no locks or semaphores should be used here
*
- * On archs that support TIF_POLLING_NRFLAG, is called with polling
+ * On architectures that support TIF_POLLING_NRFLAG, is called with polling
* set, and it returns with polling set. If it ever stops polling, it
* must clear the polling bit.
*/
@@ -199,7 +199,7 @@ static void cpuidle_idle_call(void)
* Suspend-to-idle ("s2idle") is a system state in which all user space
* has been frozen, all I/O devices have been suspended and the only
* activity happens here and in interrupts (if any). In that case bypass
- * the cpuidle governor and go stratight for the deepest idle state
+ * the cpuidle governor and go straight for the deepest idle state
* available. Possibly also suspend the local tick and the entire
* timekeeping to prevent timer interrupts from kicking us out of idle
* until a proper wakeup interrupt happens.
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index d2a6556..1c79896 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -189,7 +189,7 @@ calc_load_n(unsigned long load, unsigned long exp,
* w:0 1 1 0 0 1 1 0 0
*
* This ensures we'll fold the old NO_HZ contribution in this window while
- * accumlating the new one.
+ * accumulating the new one.
*
* - When we wake up from NO_HZ during the window, we push up our
* contribution, since we effectively move our sample point to a known
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index 2c613e1..a554e3b 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -133,7 +133,7 @@ accumulate_sum(u64 delta, struct sched_avg *sa,
* runnable = running = 0;
*
* clause from ___update_load_sum(); this results in
- * the below usage of @contrib to dissapear entirely,
+ * the below usage of @contrib to disappear entirely,
* so no point in calculating it.
*/
contrib = __accumulate_pelt_segments(periods,
diff --git a/kernel/sched/pelt.h b/kernel/sched/pelt.h
index 795e43e..1462846 100644
--- a/kernel/sched/pelt.h
+++ b/kernel/sched/pelt.h
@@ -130,7 +130,7 @@ static inline void update_idle_rq_clock_pelt(struct rq *rq)
* Reflecting stolen time makes sense only if the idle
* phase would be present at max capacity. As soon as the
* utilization of a rq has reached the maximum value, it is
- * considered as an always runnig rq without idle time to
+ * considered as an always running rq without idle time to
* steal. This potential idle time is considered as lost in
* this case. We keep track of this lost idle time compare to
* rq's clock_task.
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index ee3c5b4..c8480d7 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -62,7 +62,7 @@
* states, we would have to conclude a CPU SOME pressure number of
* 100%, since *somebody* is waiting on a runqueue at all
* times. However, that is clearly not the amount of contention the
- * workload is experiencing: only one out of 256 possible exceution
+ * workload is experiencing: only one out of 256 possible execution
* threads will be contended at any given time, or about 0.4%.
*
* Conversely, consider a scenario of 4 tasks and 4 CPUs where at any
@@ -76,7 +76,7 @@
* we have to base our calculation on the number of non-idle tasks in
* conjunction with the number of available CPUs, which is the number
* of potential execution threads. SOME becomes then the proportion of
- * delayed tasks to possibe threads, and FULL is the share of possible
+ * delayed tasks to possible threads, and FULL is the share of possible
* threads that are unproductive due to delays:
*
* threads = min(nr_nonidle_tasks, nr_cpus)
@@ -446,7 +446,7 @@ static void psi_avgs_work(struct work_struct *work)
mutex_unlock(&group->avgs_lock);
}
-/* Trigger tracking window manupulations */
+/* Trigger tracking window manipulations */
static void window_reset(struct psi_window *win, u64 now, u64 value,
u64 prev_growth)
{
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 8f720b7..c286e5b 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -700,7 +700,7 @@ static void do_balance_runtime(struct rt_rq *rt_rq)
/*
* Either all rqs have inf runtime and there's nothing to steal
* or __disable_runtime() below sets a specific rq to inf to
- * indicate its been disabled and disalow stealing.
+ * indicate its been disabled and disallow stealing.
*/
if (iter->rt_runtime == RUNTIME_INF)
goto next;
@@ -1998,7 +1998,7 @@ static void push_rt_tasks(struct rq *rq)
*
* Each root domain has its own irq work function that can iterate over
* all CPUs with RT overloaded tasks. Since all CPUs with overloaded RT
- * tassk must be checked if there's one or many CPUs that are lowering
+ * task must be checked if there's one or many CPUs that are lowering
* their priority, there's a single irq work iterator that will try to
* push off RT tasks that are waiting to run.
*
@@ -2216,7 +2216,7 @@ static void pull_rt_task(struct rq *this_rq)
/*
* There's a chance that p is higher in priority
* than what's currently running on its CPU.
- * This is just that p is wakeing up and hasn't
+ * This is just that p is waking up and hasn't
* had a chance to schedule. We only pull
* p if it is lower in priority than the
* current task on the run queue
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index d2e09a6..cbb0b01 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1155,7 +1155,7 @@ static inline u64 __rq_clock_broken(struct rq *rq)
*
* if (rq-clock_update_flags >= RQCF_UPDATED)
*
- * to check if %RQCF_UPADTED is set. It'll never be shifted more than
+ * to check if %RQCF_UPDATED is set. It'll never be shifted more than
* one position though, because the next rq_unpin_lock() will shift it
* back.
*/
@@ -1214,7 +1214,7 @@ static inline void rq_clock_skip_update(struct rq *rq)
/*
* See rt task throttling, which is the only time a skip
- * request is cancelled.
+ * request is canceled.
*/
static inline void rq_clock_cancel_skipupdate(struct rq *rq)
{
@@ -1861,7 +1861,7 @@ struct sched_class {
/*
* The switched_from() call is allowed to drop rq->lock, therefore we
- * cannot assume the switched_from/switched_to pair is serliazed by
+ * cannot assume the switched_from/switched_to pair is serialized by
* rq->lock. They are however serialized by p->pi_lock.
*/
void (*switched_from)(struct rq *this_rq, struct task_struct *task);
@@ -2452,7 +2452,7 @@ DECLARE_PER_CPU(struct irqtime, cpu_irqtime);
/*
* Returns the irqtime minus the softirq time computed by ksoftirqd.
- * Otherwise ksoftirqd's sum_exec_runtime is substracted its own runtime
+ * Otherwise ksoftirqd's sum_exec_runtime is subtracted its own runtime
* and never move forward.
*/
static inline u64 irq_time_read(int cpu)
diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c
index 750fb3c..3f93fc3 100644
--- a/kernel/sched/stats.c
+++ b/kernel/sched/stats.c
@@ -74,7 +74,7 @@ static int show_schedstat(struct seq_file *seq, void *v)
}
/*
- * This itererator needs some explanation.
+ * This iterator needs some explanation.
* It returns 1 for the header position.
* This means 2 is cpu 0.
* In a hotplugged system some CPUs, including cpu 0, may be missing so we have
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 12f8058..f2066d6 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -2159,7 +2159,7 @@ static cpumask_var_t *doms_cur;
/* Number of sched domains in 'doms_cur': */
static int ndoms_cur;
-/* Attribues of custom domains in 'doms_cur' */
+/* Attributes of custom domains in 'doms_cur' */
static struct sched_domain_attr *dattr_cur;
/*
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