edd: add default mode CONFIG_EDD_OFF=n, override with edd={on,off}

[pandora-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6a1e7af..1d02bab 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -61,7 +61,6 @@ struct sched_param {
 #include <linux/mm_types.h>
 
 #include <asm/system.h>
-#include <asm/semaphore.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>
 #include <asm/cputime.h>
@@ -69,7 +68,6 @@ struct sched_param {
 #include <linux/smp.h>
 #include <linux/sem.h>
 #include <linux/signal.h>
-#include <linux/securebits.h>
 #include <linux/fs_struct.h>
 #include <linux/compiler.h>
 #include <linux/completion.h>
@@ -704,6 +702,7 @@ enum cpu_idle_type {
 #define SD_POWERSAVINGS_BALANCE        256     /* Balance for power savings */
 #define SD_SHARE_PKG_RESOURCES 512     /* Domain members share cpu pkg resources */
 #define SD_SERIALIZE           1024    /* Only a single load balancing instance */
+#define SD_WAKE_IDLE_FAR       2048    /* Gain latency sacrificing cache hit */
 
 #define BALANCE_FOR_MC_POWER   \
        (sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
@@ -733,12 +732,31 @@ struct sched_group {
        u32 reciprocal_cpu_power;
 };
 
+enum sched_domain_level {
+       SD_LV_NONE = 0,
+       SD_LV_SIBLING,
+       SD_LV_MC,
+       SD_LV_CPU,
+       SD_LV_NODE,
+       SD_LV_ALLNODES,
+       SD_LV_MAX
+};
+
+struct sched_domain_attr {
+       int relax_domain_level;
+};
+
+#define SD_ATTR_INIT   (struct sched_domain_attr) {    \
+       .relax_domain_level = -1,                       \
+}
+
 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 */
        cpumask_t span;                 /* span of all CPUs in this domain */
+       int first_cpu;                  /* cache of the first cpu in this 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 */
@@ -750,6 +768,7 @@ struct sched_domain {
        unsigned int wake_idx;
        unsigned int forkexec_idx;
        int flags;                      /* See SD_* */
+       enum sched_domain_level level;
 
        /* Runtime fields. */
        unsigned long last_balance;     /* init to jiffies. units in jiffies */
@@ -789,7 +808,8 @@ struct sched_domain {
 #endif
 };
 
-extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new);
+extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+                                   struct sched_domain_attr *dattr_new);
 extern int arch_reinit_sched_domains(void);
 
 #endif /* CONFIG_SMP */
@@ -889,7 +909,8 @@ struct sched_class {
        void (*set_curr_task) (struct rq *rq);
        void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
        void (*task_new) (struct rq *rq, struct task_struct *p);
-       void (*set_cpus_allowed)(struct task_struct *p, cpumask_t *newmask);
+       void (*set_cpus_allowed)(struct task_struct *p,
+                                const cpumask_t *newmask);
 
        void (*join_domain)(struct rq *rq);
        void (*leave_domain)(struct rq *rq);
@@ -923,6 +944,7 @@ struct load_weight {
 struct sched_entity {
        struct load_weight      load;           /* for load-balancing */
        struct rb_node          run_node;
+       struct list_head        group_node;
        unsigned int            on_rq;
 
        u64                     exec_start;
@@ -982,6 +1004,7 @@ struct sched_rt_entity {
        unsigned long timeout;
        int nr_cpus_allowed;
 
+       struct sched_rt_entity *back;
 #ifdef CONFIG_RT_GROUP_SCHED
        struct sched_rt_entity  *parent;
        /* rq on which this entity is (to be) queued: */
@@ -1109,7 +1132,7 @@ struct task_struct {
        gid_t gid,egid,sgid,fsgid;
        struct group_info *group_info;
        kernel_cap_t   cap_effective, cap_inheritable, cap_permitted, cap_bset;
-       unsigned keep_capabilities:1;
+       unsigned securebits;
        struct user_struct *user;
 #ifdef CONFIG_KEYS
        struct key *request_key_auth;   /* assumed request_key authority */
@@ -1502,15 +1525,21 @@ static inline void put_task_struct(struct task_struct *t)
 #define used_math() tsk_used_math(current)
 
 #ifdef CONFIG_SMP
-extern int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask);
+extern int set_cpus_allowed_ptr(struct task_struct *p,
+                               const cpumask_t *new_mask);
 #else
-static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
+static inline int set_cpus_allowed_ptr(struct task_struct *p,
+                                      const cpumask_t *new_mask)
 {
-       if (!cpu_isset(0, new_mask))
+       if (!cpu_isset(0, *new_mask))
                return -EINVAL;
        return 0;
 }
 #endif
+static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
+{
+       return set_cpus_allowed_ptr(p, &new_mask);
+}
 
 extern unsigned long long sched_clock(void);
 
@@ -1551,7 +1580,6 @@ static inline void wake_up_idle_cpu(int cpu) { }
 extern unsigned int sysctl_sched_latency;
 extern unsigned int sysctl_sched_min_granularity;
 extern unsigned int sysctl_sched_wakeup_granularity;
-extern unsigned int sysctl_sched_batch_wakeup_granularity;
 extern unsigned int sysctl_sched_child_runs_first;
 extern unsigned int sysctl_sched_features;
 extern unsigned int sysctl_sched_migration_cost;
@@ -1564,6 +1592,10 @@ int sched_nr_latency_handler(struct ctl_table *table, int write,
 extern unsigned int sysctl_sched_rt_period;
 extern int sysctl_sched_rt_runtime;
 
+int sched_rt_handler(struct ctl_table *table, int write,
+               struct file *filp, void __user *buffer, size_t *lenp,
+               loff_t *ppos);
+
 extern unsigned int sysctl_sched_compat_yield;
 
 #ifdef CONFIG_RT_MUTEXES
@@ -1765,6 +1797,8 @@ extern void mmput(struct mm_struct *);
 extern struct mm_struct *get_task_mm(struct task_struct *task);
 /* Remove the current tasks stale references to the old mm_struct */
 extern void mm_release(struct task_struct *, struct mm_struct *);
+/* Allocate a new mm structure and copy contents from tsk->mm */
+extern struct mm_struct *dup_mm(struct task_struct *tsk);
 
 extern int  copy_thread(int, unsigned long, unsigned long, unsigned long, struct task_struct *, struct pt_regs *);
 extern void flush_thread(void);
@@ -1893,6 +1927,8 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
 
 #endif
 
+extern void thread_info_cache_init(void);
+
 /* set thread flags in other task's structures
  * - see asm/thread_info.h for TIF_xxxx flags available
  */
@@ -2031,7 +2067,7 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm)
 }
 #endif
 
-extern long sched_setaffinity(pid_t pid, cpumask_t new_mask);
+extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
 extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
 
 extern int sched_mc_power_savings, sched_smt_power_savings;
@@ -2041,8 +2077,11 @@ extern void normalize_rt_tasks(void);
 #ifdef CONFIG_GROUP_SCHED
 
 extern struct task_group init_task_group;
+#ifdef CONFIG_USER_SCHED
+extern struct task_group root_task_group;
+#endif
 
-extern struct task_group *sched_create_group(void);
+extern struct task_group *sched_create_group(struct task_group *parent);
 extern void sched_destroy_group(struct task_group *tg);
 extern void sched_move_task(struct task_struct *tsk);
 #ifdef CONFIG_FAIR_GROUP_SCHED
@@ -2053,6 +2092,9 @@ extern unsigned long sched_group_shares(struct task_group *tg);
 extern int sched_group_set_rt_runtime(struct task_group *tg,
                                      long rt_runtime_us);
 extern long sched_group_rt_runtime(struct task_group *tg);
+extern int sched_group_set_rt_period(struct task_group *tg,
+                                     long rt_period_us);
+extern long sched_group_rt_period(struct task_group *tg);
 #endif
 #endif
 
@@ -2106,6 +2148,19 @@ static inline void migration_init(void)
 #define TASK_SIZE_OF(tsk)      TASK_SIZE
 #endif
 
+#ifdef CONFIG_MM_OWNER
+extern void mm_update_next_owner(struct mm_struct *mm);
+extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p);
+#else
+static inline void mm_update_next_owner(struct mm_struct *mm)
+{
+}
+
+static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
+{
+}
+#endif /* CONFIG_MM_OWNER */
+
 #endif /* __KERNEL__ */
 
 #endif