[PATCH] cgroup: tiny cleanups

[Li Zefan]

- remove 'private' field from struct subsys
- remove cgroup_init_smp()
- remove unused 'i' in cgroup_tasks_start()

Signed-off-by: Li Zefan <lizf at cn.fujitsu.com>
---
 include/linux/cgroup.h |    4 ----
 kernel/cgroup.c        |    1 -
 2 files changed, 5 deletions(-)

--- linux-mm/include/linux/cgroup.h.orig	2008-10-20 13:25:39.000000000 +0800
+++ linux-mm/include/linux/cgroup.h	2008-10-20 13:26:08.000000000 +0800
@@ -25,7 +25,6 @@ struct cgroup;
 
 extern int cgroup_init_early(void);
 extern int cgroup_init(void);
-extern void cgroup_init_smp(void);
 extern void cgroup_lock(void);
 extern bool cgroup_lock_live_group(struct cgroup *cgrp);
 extern void cgroup_unlock(void);
@@ -348,8 +347,6 @@ struct cgroup_subsys {
 	struct cgroupfs_root *root;
 
 	struct list_head sibling;
-
-	void *private;
 };
 
 #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys;
@@ -410,7 +407,6 @@ void cgroup_mm_owner_callbacks(struct ta
 
 static inline int cgroup_init_early(void) { return 0; }
 static inline int cgroup_init(void) { return 0; }
-static inline void cgroup_init_smp(void) {}
 static inline void cgroup_fork(struct task_struct *p) {}
 static inline void cgroup_fork_callbacks(struct task_struct *p) {}
 static inline void cgroup_post_fork(struct task_struct *p) {}
--- linux-mm/kernel/cgroup.c.orig	2008-10-20 13:25:56.000000000 +0800
+++ linux-mm/kernel/cgroup.c	2008-10-20 13:26:08.000000000 +0800
@@ -2104,7 +2104,6 @@ static void *cgroup_tasks_start(struct s
 	down_read(&cgrp->pids_mutex);
 	if (pid) {
 		int end = cgrp->pids_length;
-		int i;
 		while (index < end) {
 			int mid = (index + end) / 2;
 			if (cgrp->tasks_pids[mid] == pid) {