extern int nr_threads;
extern int last_pid;
DECLARE_PER_CPU(unsigned long, process_counts);
-// DECLARE_PER_CPU(struct runqueue, runqueues); -- removed after ckrm cpu v7 merge
extern int nr_processes(void);
extern unsigned long nr_running(void);
extern unsigned long nr_uninterruptible(void);
#include <linux/aio.h>
-extern unsigned long
-arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
- unsigned long, unsigned long);
-
-extern unsigned long
-arch_get_unmapped_exec_area(struct file *, unsigned long, unsigned long,
- unsigned long, unsigned long);
-extern unsigned long
-arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr,
- unsigned long len, unsigned long pgoff,
- unsigned long flags);
-extern void arch_unmap_area(struct vm_area_struct *area);
-extern void arch_unmap_area_topdown(struct vm_area_struct *area);
-
-
struct mm_struct {
struct vm_area_struct * mmap; /* list of VMAs */
struct rb_root mm_rb;
struct vm_area_struct * mmap_cache; /* last find_vma result */
- unsigned long (*get_unmapped_area) (struct file *filp,
- unsigned long addr, unsigned long len,
- unsigned long pgoff, unsigned long flags);
- unsigned long (*get_unmapped_exec_area) (struct file *filp,
- unsigned long addr, unsigned long len,
- unsigned long pgoff, unsigned long flags);
- void (*unmap_area) (struct vm_area_struct *area);
- unsigned long mmap_base; /* base of mmap area */
unsigned long free_area_cache; /* first hole */
+ unsigned long non_executable_cache; /* last hole top */
+ unsigned long mmap_top; /* top of mmap area */
pgd_t * pgd;
atomic_t mm_users; /* How many users with user space? */
atomic_t mm_count; /* How many references to "struct mm_struct" (users count as 1) */
mm_context_t context;
struct vx_info *mm_vx_info;
- /* Token based thrashing protection. */
- unsigned long swap_token_time;
- char recent_pagein;
-
/* coredumping support */
int core_waiters;
struct completion *core_startup_done, core_done;
struct kioctx *ioctx_list;
struct kioctx default_kioctx;
-#ifdef CONFIG_CKRM_RES_MEM
- struct ckrm_mem_res *memclass;
- struct list_head tasklist; /* list of all tasks sharing this address space */
- spinlock_t peertask_lock; /* protect above tasklist */
-#endif
};
extern int mmlist_nr;
struct audit_context; /* See audit.c */
struct mempolicy;
-#ifdef CONFIG_CKRM_CPU_SCHEDULE
-/**
- * ckrm_cpu_demand_stat - used to track the cpu demand of a task/class
- * @run: how much time it has been running since the counter started
- * @total: total time since the counter started
- * @last_sleep: the last time it sleeps, last_sleep = 0 when not sleeping
- * @recalc_interval: how often do we recalculate the cpu_demand
- * @cpu_demand: moving average of run/total
- */
-struct ckrm_cpu_demand_stat {
- unsigned long long run;
- unsigned long long total;
- unsigned long long last_sleep;
- unsigned long long recalc_interval;
- unsigned long cpu_demand; /*estimated cpu demand */
-};
-#endif
-
-
struct task_struct {
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
struct thread_info *thread_info;
unsigned int time_slice, first_time_slice;
struct list_head tasks;
- /*
- * ptrace_list/ptrace_children forms the list of my children
- * that were stolen by a ptracer.
- */
struct list_head ptrace_children;
struct list_head ptrace_list;
*/
struct task_struct *real_parent; /* real parent process (when being debugged) */
struct task_struct *parent; /* parent process */
- /*
- * children/sibling forms the list of my children plus the
- * tasks I'm ptracing.
- */
struct list_head children; /* list of my children */
struct list_head sibling; /* linkage in my parent's children list */
struct task_struct *group_leader; /* threadgroup leader */
/* signal handlers */
struct signal_struct *signal;
struct sighand_struct *sighand;
+
sigset_t blocked, real_blocked;
struct sigpending pending;
int (*notifier)(void *priv);
void *notifier_data;
sigset_t *notifier_mask;
-
- /* TUX state */
- void *tux_info;
- void (*tux_exit)(void);
-
void *security;
struct audit_context *audit_context;
struct io_context *io_context;
- int ioprio;
-
unsigned long ptrace_message;
siginfo_t *last_siginfo; /* For ptrace use. */
struct list_head taskclass_link;
#ifdef CONFIG_CKRM_CPU_SCHEDULE
struct ckrm_cpu_class *cpu_class;
- //track cpu demand of this task
- struct ckrm_cpu_demand_stat demand_stat;
-#endif //CONFIG_CKRM_CPU_SCHEDULE
+#endif
#endif // CONFIG_CKRM_TYPE_TASKCLASS
-#ifdef CONFIG_CKRM_RES_MEM
- struct list_head mm_peers; // list of tasks using same mm_struct
-#endif // CONFIG_CKRM_RES_MEM
#endif // CONFIG_CKRM
+
struct task_delay_info delays;
};
atomic_inc(&u->__count);
return u;
}
-
extern void free_uid(struct user_struct *);
extern void switch_uid(struct user_struct *);
}
#endif
-
/*
* Routines for handling mm_structs
*/
return mm;
}
-
+
/* set thread flags in other task's structures
* - see asm/thread_info.h for TIF_xxxx flags available
*/
#define def_delay_var(var) unsigned long long var
#define get_delay(tsk,field) ((tsk)->delays.field)
+#define delay_value(x) (((unsigned long)(x))/1000)
#define start_delay(var) ((var) = sched_clock())
#define start_delay_set(var,flg) (set_delay_flag(current,flg),(var) = sched_clock())
#define inc_delay(tsk,field) (((tsk)->delays.field)++)
+#define add_delay_ts(tsk,field,start_ts,end_ts) ((tsk)->delays.field += delay_value((end_ts)-(start_ts)))
+#define add_delay_clear(tsk,field,start_ts,flg) (add_delay_ts(tsk,field,start_ts,sched_clock()),clear_delay_flag(tsk,flg))
-/* because of hardware timer drifts in SMPs and task continue on different cpu
- * then where the start_ts was taken there is a possibility that
- * end_ts < start_ts by some usecs. In this case we ignore the diff
- * and add nothing to the total.
- */
-#ifdef CONFIG_SMP
-#define test_ts_integrity(start_ts,end_ts) (likely((end_ts) > (start_ts)))
-#else
-#define test_ts_integrity(start_ts,end_ts) (1)
-#endif
-
-#define add_delay_ts(tsk,field,start_ts,end_ts) \
- do { if (test_ts_integrity(start_ts,end_ts)) (tsk)->delays.field += ((end_ts)-(start_ts)); } while (0)
-
-#define add_delay_clear(tsk,field,start_ts,flg) \
- do { \
- unsigned long long now = sched_clock();\
- add_delay_ts(tsk,field,start_ts,now); \
- clear_delay_flag(tsk,flg); \
- } while (0)
-
-static inline void add_io_delay(unsigned long long dstart)
+static inline void add_io_delay(unsigned long dstart)
{
struct task_struct * tsk = current;
- unsigned long long now = sched_clock();
- unsigned long long val;
-
- if (test_ts_integrity(dstart,now))
- val = now - dstart;
- else
- val = 0;
+ unsigned long val = delay_value(sched_clock()-dstart);
if (test_delay_flag(tsk,PF_MEMIO)) {
tsk->delays.mem_iowait_total += val;
tsk->delays.num_memwaits++;
-#ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
-extern void arch_pick_mmap_layout(struct mm_struct *mm);
-#else
-static inline void arch_pick_mmap_layout(struct mm_struct *mm)
-{
- mm->mmap_base = TASK_UNMAPPED_BASE;
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
-}
-#endif
-
#endif /* __KERNEL__ */
#endif
git://git.onelab.eu / linux-2.6.git / blobdiff