Merge branch 'locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ff904b0606d472fa05d4f069000afbe62fd356ae..29df6374d2de517e078c7dd29dd5eb6b7c18f82b 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -331,7 +331,9 @@ extern signed long schedule_timeout(signed long timeout);
 extern signed long schedule_timeout_interruptible(signed long timeout);
 extern signed long schedule_timeout_killable(signed long timeout);
 extern signed long schedule_timeout_uninterruptible(signed long timeout);
+asmlinkage void __schedule(void);
 asmlinkage void schedule(void);
+extern int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner);
 
 struct nsproxy;
 struct user_namespace;
@@ -1185,10 +1187,9 @@ struct task_struct {
        pid_t pid;
        pid_t tgid;
 
-#ifdef CONFIG_CC_STACKPROTECTOR
        /* Canary value for the -fstack-protector gcc feature */
        unsigned long stack_canary;
-#endif
+
        /* 
         * pointers to (original) parent process, youngest child, younger sibling,
         * older sibling, respectively.  (p->father can be replaced with 
@@ -1335,6 +1336,7 @@ struct task_struct {
        int lockdep_depth;
        unsigned int lockdep_recursion;
        struct held_lock held_locks[MAX_LOCK_DEPTH];
+       gfp_t lockdep_reclaim_gfp;
 #endif
 
 /* journalling filesystem info */
@@ -2107,6 +2109,19 @@ static inline int object_is_on_stack(void *obj)
 
 extern void thread_info_cache_init(void);
 
+#ifdef CONFIG_DEBUG_STACK_USAGE
+static inline unsigned long stack_not_used(struct task_struct *p)
+{
+       unsigned long *n = end_of_stack(p);
+
+       do {    /* Skip over canary */
+               n++;
+       } while (!*n);
+
+       return (unsigned long)n - (unsigned long)end_of_stack(p);
+}
+#endif
+
 /* set thread flags in other task's structures
  * - see asm/thread_info.h for TIF_xxxx flags available
  */