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Message-Id: <1390221588-20473-12-git-send-email-dietmar.eggemann@arm.com>
Date: Mon, 20 Jan 2014 12:39:48 +0000
From: dietmar.eggemann@....com
To: peterz@...radead.org, mingo@...hat.com, vincent.guittot@...aro.org,
morten.rasmussen@....com, chris.redpath@....com
Cc: linux-kernel@...r.kernel.org, dietmar.eggemann@....com
Subject: [RFC v2 PATCH 11/11] sched: un-export struct sched_domain
From: Dietmar Eggemann <dietmar.eggemann@....com>
Since all occurrences of SD_FOO_INIT have been deleted, there is no
need to export struct sched_domain any more.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
---
include/linux/sched.h | 87 ----------------------------
kernel/sched/sched.h | 153 ++++++++++++++++++++++++++++++++++++++-----------
2 files changed, 119 insertions(+), 121 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 055d79e594ef..cd86c651f476 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -801,93 +801,6 @@ struct sched_domain_attr {
extern int sched_domain_level_max;
-struct sched_group;
-
-struct sched_domain {
- /* These fields must be setup */
- struct sched_domain *parent; /* top domain must be null terminated */
- struct sched_domain *child; /* bottom domain must be null terminated */
- struct sched_group *groups; /* the balancing groups of the domain */
- unsigned long min_interval; /* Minimum balance interval ms */
- unsigned long max_interval; /* Maximum balance interval ms */
- unsigned int busy_factor; /* less balancing by factor if busy */
- unsigned int imbalance_pct; /* No balance until over watermark */
- unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */
- unsigned int busy_idx;
- unsigned int idle_idx;
- unsigned int newidle_idx;
- unsigned int wake_idx;
- unsigned int forkexec_idx;
- unsigned int smt_gain;
-
- int nohz_idle; /* NOHZ IDLE status */
- int flags; /* See SD_* */
- int level;
-
- /* Runtime fields. */
- unsigned long last_balance; /* init to jiffies. units in jiffies */
- unsigned int balance_interval; /* initialise to 1. units in ms. */
- unsigned int nr_balance_failed; /* initialise to 0 */
-
- /* idle_balance() stats */
- u64 max_newidle_lb_cost;
- unsigned long next_decay_max_lb_cost;
-
-#ifdef CONFIG_SCHEDSTATS
- /* load_balance() stats */
- unsigned int lb_count[CPU_MAX_IDLE_TYPES];
- unsigned int lb_failed[CPU_MAX_IDLE_TYPES];
- unsigned int lb_balanced[CPU_MAX_IDLE_TYPES];
- unsigned int lb_imbalance[CPU_MAX_IDLE_TYPES];
- unsigned int lb_gained[CPU_MAX_IDLE_TYPES];
- unsigned int lb_hot_gained[CPU_MAX_IDLE_TYPES];
- unsigned int lb_nobusyg[CPU_MAX_IDLE_TYPES];
- unsigned int lb_nobusyq[CPU_MAX_IDLE_TYPES];
-
- /* Active load balancing */
- unsigned int alb_count;
- unsigned int alb_failed;
- unsigned int alb_pushed;
-
- /* SD_BALANCE_EXEC stats */
- unsigned int sbe_count;
- unsigned int sbe_balanced;
- unsigned int sbe_pushed;
-
- /* SD_BALANCE_FORK stats */
- unsigned int sbf_count;
- unsigned int sbf_balanced;
- unsigned int sbf_pushed;
-
- /* try_to_wake_up() stats */
- unsigned int ttwu_wake_remote;
- unsigned int ttwu_move_affine;
- unsigned int ttwu_move_balance;
-#endif
-#ifdef CONFIG_SCHED_DEBUG
- char *name;
-#endif
- union {
- void *private; /* used during construction */
- struct rcu_head rcu; /* used during destruction */
- };
-
- unsigned int span_weight;
- /*
- * Span of all CPUs in this domain.
- *
- * NOTE: this field is variable length. (Allocated dynamically
- * by attaching extra space to the end of the structure,
- * depending on how many CPUs the kernel has booted up with)
- */
- unsigned long span[0];
-};
-
-static inline struct cpumask *sched_domain_span(struct sched_domain *sd)
-{
- return to_cpumask(sd->span);
-}
-
extern void partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[],
struct sched_domain_attr *dattr_new);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index fcf2d4317217..796b7f99743d 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -585,40 +585,6 @@ extern int migrate_swap(struct task_struct *, struct task_struct *);
#define for_each_lower_domain(sd) for (; sd; sd = sd->child)
-/**
- * highest_flag_domain - Return highest sched_domain containing flag.
- * @cpu: The cpu whose highest level of sched domain is to
- * be returned.
- * @flag: The flag to check for the highest sched_domain
- * for the given cpu.
- *
- * Returns the highest sched_domain of a cpu which contains the given flag.
- */
-static inline struct sched_domain *highest_flag_domain(int cpu, int flag)
-{
- struct sched_domain *sd, *hsd = NULL;
-
- for_each_domain(cpu, sd) {
- if (!(sd->flags & flag))
- break;
- hsd = sd;
- }
-
- return hsd;
-}
-
-static inline struct sched_domain *lowest_flag_domain(int cpu, int flag)
-{
- struct sched_domain *sd;
-
- for_each_domain(cpu, sd) {
- if (sd->flags & flag)
- break;
- }
-
- return sd;
-}
-
DECLARE_PER_CPU(struct sched_domain *, sd_llc);
DECLARE_PER_CPU(int, sd_llc_size);
DECLARE_PER_CPU(int, sd_llc_id);
@@ -660,11 +626,130 @@ struct sched_group {
unsigned long cpumask[0];
};
+struct sched_domain {
+ /* These fields must be setup */
+ struct sched_domain *parent; /* top domain must be null terminated */
+ struct sched_domain *child; /* bottom domain must be null terminated */
+ struct sched_group *groups; /* the balancing groups of the domain */
+ unsigned long min_interval; /* Minimum balance interval ms */
+ unsigned long max_interval; /* Maximum balance interval ms */
+ unsigned int busy_factor; /* less balancing by factor if busy */
+ unsigned int imbalance_pct; /* No balance until over watermark */
+ unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */
+ unsigned int busy_idx;
+ unsigned int idle_idx;
+ unsigned int newidle_idx;
+ unsigned int wake_idx;
+ unsigned int forkexec_idx;
+ unsigned int smt_gain;
+
+ int nohz_idle; /* NOHZ IDLE status */
+ int flags; /* See SD_* */
+ int level;
+
+ /* Runtime fields. */
+ unsigned long last_balance; /* init to jiffies. units in jiffies */
+ unsigned int balance_interval; /* initialise to 1. units in ms. */
+ unsigned int nr_balance_failed; /* initialise to 0 */
+
+ /* idle_balance() stats */
+ u64 max_newidle_lb_cost;
+ unsigned long next_decay_max_lb_cost;
+
+#ifdef CONFIG_SCHEDSTATS
+ /* load_balance() stats */
+ unsigned int lb_count[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_failed[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_balanced[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_imbalance[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_gained[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_hot_gained[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_nobusyg[CPU_MAX_IDLE_TYPES];
+ unsigned int lb_nobusyq[CPU_MAX_IDLE_TYPES];
+
+ /* Active load balancing */
+ unsigned int alb_count;
+ unsigned int alb_failed;
+ unsigned int alb_pushed;
+
+ /* SD_BALANCE_EXEC stats */
+ unsigned int sbe_count;
+ unsigned int sbe_balanced;
+ unsigned int sbe_pushed;
+
+ /* SD_BALANCE_FORK stats */
+ unsigned int sbf_count;
+ unsigned int sbf_balanced;
+ unsigned int sbf_pushed;
+
+ /* try_to_wake_up() stats */
+ unsigned int ttwu_wake_remote;
+ unsigned int ttwu_move_affine;
+ unsigned int ttwu_move_balance;
+#endif
+#ifdef CONFIG_SCHED_DEBUG
+ char *name;
+#endif
+ union {
+ void *private; /* used during construction */
+ struct rcu_head rcu; /* used during destruction */
+ };
+
+ unsigned int span_weight;
+ /*
+ * Span of all CPUs in this domain.
+ *
+ * NOTE: this field is variable length. (Allocated dynamically
+ * by attaching extra space to the end of the structure,
+ * depending on how many CPUs the kernel has booted up with)
+ */
+ unsigned long span[0];
+};
+
+static inline struct cpumask *sched_domain_span(struct sched_domain *sd)
+{
+ return to_cpumask(sd->span);
+}
+
static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
{
return to_cpumask(sg->cpumask);
}
+/**
+ * highest_flag_domain - Return highest sched_domain containing flag.
+ * @cpu: The cpu whose highest level of sched domain is to
+ * be returned.
+ * @flag: The flag to check for the highest sched_domain
+ * for the given cpu.
+ *
+ * Returns the highest sched_domain of a cpu which contains the given flag.
+ */
+static inline struct sched_domain *highest_flag_domain(int cpu, int flag)
+{
+ struct sched_domain *sd, *hsd = NULL;
+
+ for_each_domain(cpu, sd) {
+ if (!(sd->flags & flag))
+ break;
+ hsd = sd;
+ }
+
+ return hsd;
+}
+
+static inline struct sched_domain *lowest_flag_domain(int cpu, int flag)
+{
+ struct sched_domain *sd;
+
+ for_each_domain(cpu, sd) {
+ if (sd->flags & flag)
+ break;
+ }
+
+ return sd;
+}
+
/*
* cpumask masking which cpus in the group are allowed to iterate up the domain
* tree.
--
1.7.9.5
--
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