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workqueue: Cosmetic changes

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Reorder some global declarations and adjust comments and whitespaces for
clarity and consistency. No functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
This commit is contained in:
Tejun Heo
2024-02-20 19:36:13 -10:00
parent fd0a68a233
commit c7a40c49af
1 changed files with 14 additions and 16 deletions
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kernel/workqueue.c
+14 -16
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@@ -376,8 +376,6 @@ struct workqueue_struct {
struct wq_node_nr_active *node_nr_active[]; /* I: per-node nr_active */
};
static struct kmem_cache *pwq_cache;
/*
* Each pod type describes how CPUs should be grouped for unbound workqueues.
* See the comment above workqueue_attrs->affn_scope.
@@ -389,20 +387,15 @@ struct wq_pod_type {
int *cpu_pod; /* cpu -> pod */
};
static struct wq_pod_type wq_pod_types[WQ_AFFN_NR_TYPES];
static enum wq_affn_scope wq_affn_dfl = WQ_AFFN_CACHE;
static const char *wq_affn_names[WQ_AFFN_NR_TYPES] = {
[WQ_AFFN_DFL] = "default",
[WQ_AFFN_CPU] = "cpu",
[WQ_AFFN_SMT] = "smt",
[WQ_AFFN_CACHE] = "cache",
[WQ_AFFN_NUMA] = "numa",
[WQ_AFFN_SYSTEM] = "system",
[WQ_AFFN_DFL] = "default",
[WQ_AFFN_CPU] = "cpu",
[WQ_AFFN_SMT] = "smt",
[WQ_AFFN_CACHE] = "cache",
[WQ_AFFN_NUMA] = "numa",
[WQ_AFFN_SYSTEM] = "system",
};
static bool wq_topo_initialized __read_mostly = false;
/*
* Per-cpu work items which run for longer than the following threshold are
* automatically considered CPU intensive and excluded from concurrency
@@ -418,6 +411,12 @@ static bool wq_power_efficient = IS_ENABLED(CONFIG_WQ_POWER_EFFICIENT_DEFAULT);
module_param_named(power_efficient, wq_power_efficient, bool, 0444);
static bool wq_online; /* can kworkers be created yet? */
static bool wq_topo_initialized __read_mostly = false;
static struct kmem_cache *pwq_cache;
static struct wq_pod_type wq_pod_types[WQ_AFFN_NR_TYPES];
static enum wq_affn_scope wq_affn_dfl = WQ_AFFN_CACHE;
/* buf for wq_update_unbound_pod_attrs(), protected by CPU hotplug exclusion */
static struct workqueue_attrs *wq_update_pod_attrs_buf;
@@ -2231,7 +2230,6 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
*/
lockdep_assert_irqs_disabled();
/*
* For a draining wq, only works from the same workqueue are
* allowed. The __WQ_DESTROYING helps to spot the issue that
@@ -4121,8 +4119,8 @@ static bool __cancel_work_timer(struct work_struct *work, bool is_dwork)
local_irq_restore(flags);
/*
* This allows canceling during early boot. We know that @work
* isn't executing.
* Skip __flush_work() during early boot when we know that @work isn't
* executing. This allows canceling during early boot.
*/
if (wq_online)
__flush_work(work, true);