Merge commit 'v2.6.28-rc7' into tracing/core

[~andy/linux] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 295b7c756ca6107aee29ee4c12e3eb2f486c9f7e..2d0a93c3122837ea55d8a51dd4113313a0181629 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -96,6 +96,7 @@ struct exec_domain;
 struct futex_pi_state;
 struct robust_list_head;
 struct bio;
+struct bts_tracer;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -247,6 +248,7 @@ extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
 extern int runqueue_is_locked(void);
+extern void task_rq_unlock_wait(struct task_struct *p);
 
 extern cpumask_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
@@ -629,6 +631,10 @@ struct user_struct {
        atomic_t inotify_watches; /* How many inotify watches does this user have? */
        atomic_t inotify_devs;  /* How many inotify devs does this user have opened? */
 #endif
+#ifdef CONFIG_EPOLL
+       atomic_t epoll_devs;    /* The number of epoll descriptors currently open */
+       atomic_t epoll_watches; /* The number of file descriptors currently watched */
+#endif
 #ifdef CONFIG_POSIX_MQUEUE
        /* protected by mq_lock */
        unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */
@@ -1160,6 +1166,18 @@ struct task_struct {
        struct list_head ptraced;
        struct list_head ptrace_entry;
 
+#ifdef CONFIG_X86_PTRACE_BTS
+       /*
+        * This is the tracer handle for the ptrace BTS extension.
+        * This field actually belongs to the ptracer task.
+        */
+       struct bts_tracer *bts;
+       /*
+        * The buffer to hold the BTS data.
+        */
+       void *bts_buffer;
+#endif /* CONFIG_X86_PTRACE_BTS */
+
        /* PID/PID hash table linkage. */
        struct pid_link pids[PIDTYPE_MAX];
        struct list_head thread_group;
@@ -1351,6 +1369,17 @@ struct task_struct {
        unsigned long default_timer_slack_ns;
 
        struct list_head        *scm_work_list;
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+       /* Index of current stored adress in ret_stack */
+       int curr_ret_stack;
+       /* Stack of return addresses for return function tracing */
+       struct ftrace_ret_stack *ret_stack;
+       /*
+        * Number of functions that haven't been traced
+        * because of depth overrun.
+        */
+       atomic_t trace_overrun;
+#endif
 };
 
 /*