[PATCH] Add include/linux/freezer.h and move definitions from sched.h

[deliverable/linux.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index eafe4a7b8237d902e31eef13aaacd212ea5b84f4..837a012f573c2d96df876e7ca70644411c9f625b 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -338,15 +338,23 @@ struct mm_struct {
 
        unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
 
-       unsigned dumpable:2;
        cpumask_t cpu_vm_mask;
 
        /* Architecture-specific MM context */
        mm_context_t context;
 
-       /* Token based thrashing protection. */
-       unsigned long swap_token_time;
-       char recent_pagein;
+       /* Swap token stuff */
+       /*
+        * Last value of global fault stamp as seen by this process.
+        * In other words, this value gives an indication of how long
+        * it has been since this task got the token.
+        * Look at mm/thrash.c
+        */
+       unsigned int faultstamp;
+       unsigned int token_priority;
+       unsigned int last_interval;
+
+       unsigned char dumpable:2;
 
        /* coredumping support */
        int core_waiters;
@@ -1610,87 +1618,6 @@ extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls);
 
 extern void normalize_rt_tasks(void);
 
-#ifdef CONFIG_PM
-/*
- * Check if a process has been frozen
- */
-static inline int frozen(struct task_struct *p)
-{
-       return p->flags & PF_FROZEN;
-}
-
-/*
- * Check if there is a request to freeze a process
- */
-static inline int freezing(struct task_struct *p)
-{
-       return p->flags & PF_FREEZE;
-}
-
-/*
- * Request that a process be frozen
- * FIXME: SMP problem. We may not modify other process' flags!
- */
-static inline void freeze(struct task_struct *p)
-{
-       p->flags |= PF_FREEZE;
-}
-
-/*
- * Sometimes we may need to cancel the previous 'freeze' request
- */
-static inline void do_not_freeze(struct task_struct *p)
-{
-       p->flags &= ~PF_FREEZE;
-}
-
-/*
- * Wake up a frozen process
- */
-static inline int thaw_process(struct task_struct *p)
-{
-       if (frozen(p)) {
-               p->flags &= ~PF_FROZEN;
-               wake_up_process(p);
-               return 1;
-       }
-       return 0;
-}
-
-/*
- * freezing is complete, mark process as frozen
- */
-static inline void frozen_process(struct task_struct *p)
-{
-       p->flags = (p->flags & ~PF_FREEZE) | PF_FROZEN;
-}
-
-extern void refrigerator(void);
-extern int freeze_processes(void);
-extern void thaw_processes(void);
-
-static inline int try_to_freeze(void)
-{
-       if (freezing(current)) {
-               refrigerator();
-               return 1;
-       } else
-               return 0;
-}
-#else
-static inline int frozen(struct task_struct *p) { return 0; }
-static inline int freezing(struct task_struct *p) { return 0; }
-static inline void freeze(struct task_struct *p) { BUG(); }
-static inline int thaw_process(struct task_struct *p) { return 1; }
-static inline void frozen_process(struct task_struct *p) { BUG(); }
-
-static inline void refrigerator(void) {}
-static inline int freeze_processes(void) { BUG(); return 0; }
-static inline void thaw_processes(void) {}
-
-static inline int try_to_freeze(void) { return 0; }
-
-#endif /* CONFIG_PM */
 #endif /* __KERNEL__ */
 
 #endif