[PATCH] sched: print preempt count

Better debugging output when the CPU scheduler detects atomicity errors.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/sched.c

@@ -2491,7 +2491,9 @@ asmlinkage void __sched schedule(void)
 	 */
 	if (likely(!(current->state & (TASK_DEAD | TASK_ZOMBIE)))) {
 		if (unlikely(in_atomic())) {
-			printk(KERN_ERR "bad: scheduling while atomic!\n");
+			printk(KERN_ERR "scheduling while atomic: "
+				"%s/0x%08x/%d\n",
+				current->comm, preempt_count(), current->pid);
 			dump_stack();
 		}
 	}