[PATCH] remove the tasklist_lock export

As announced half a year ago this patch will remove the tasklist_lock
export.  The previous two patches got rid of the remaining modular users.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

Documentation/feature-removal-schedule.txt

@@ -166,17 +166,6 @@ Who:	Arjan van de Ven <arjan@linux.intel.com>
 
 ---------------------------
 
-What:	remove EXPORT_SYMBOL(tasklist_lock)
-When:	August 2006
-Files:	kernel/fork.c
-Why:	tasklist_lock protects the kernel internal task list.  Modules have
-	no business looking at it, and all instances in drivers have been due
-	to use of too-lowlevel APIs.  Having this symbol exported prevents
-	moving to more scalable locking schemes for the task list.
-Who:	Christoph Hellwig <hch@lst.de>
-
----------------------------
-
 What:	mount/umount uevents
 When:	February 2007
 Why:	These events are not correct, and do not properly let userspace know

kernel/fork.c

@@ -61,9 +61,7 @@ int max_threads;		/* tunable limit on nr_threads */
 
 DEFINE_PER_CPU(unsigned long, process_counts) = 0;
 
- __cacheline_aligned DEFINE_RWLOCK(tasklist_lock);  /* outer */
-
-EXPORT_SYMBOL(tasklist_lock);
+__cacheline_aligned DEFINE_RWLOCK(tasklist_lock);  /* outer */
 
 int nr_processes(void)
 {