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cpuset: remove struct cpuset_hotplug_scanner

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Use cgroup_scanner.data, instead of introducing cpuset_hotplug_scanner.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Paul Menage <menage@google.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Zefan 2009-04-02 16:57:53 -07:00 committed by Linus Torvalds
parent 010cfac4ca
commit 7f81b1ae18
1 changed files with 9 additions and 14 deletions
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23
kernel/cpuset.c
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@ -128,10 +128,6 @@ static inline struct cpuset *task_cs(struct task_struct *task)
return container_of(task_subsys_state(task, cpuset_subsys_id),
struct cpuset, css);
}
struct cpuset_hotplug_scanner {
struct cgroup_scanner scan;
struct cgroup *to;
};
/* bits in struct cpuset flags field */
typedef enum {
@ -1890,10 +1886,9 @@ int __init cpuset_init(void)
static void cpuset_do_move_task(struct task_struct *tsk,
struct cgroup_scanner *scan)
{
struct cpuset_hotplug_scanner *chsp;
struct cgroup *new_cgroup = scan->data;
chsp = container_of(scan, struct cpuset_hotplug_scanner, scan);
cgroup_attach_task(chsp->to, tsk);
cgroup_attach_task(new_cgroup, tsk);
}
/**
@ -1909,15 +1904,15 @@ static void cpuset_do_move_task(struct task_struct *tsk,
*/
static void move_member_tasks_to_cpuset(struct cpuset *from, struct cpuset *to)
{
struct cpuset_hotplug_scanner scan;
struct cgroup_scanner scan;
scan.scan.cg = from->css.cgroup;
scan.scan.test_task = NULL; /* select all tasks in cgroup */
scan.scan.process_task = cpuset_do_move_task;
scan.scan.heap = NULL;
scan.to = to->css.cgroup;
scan.cg = from->css.cgroup;
scan.test_task = NULL; /* select all tasks in cgroup */
scan.process_task = cpuset_do_move_task;
scan.heap = NULL;
scan.data = to->css.cgroup;
if (cgroup_scan_tasks(&scan.scan))
if (cgroup_scan_tasks(&scan))
printk(KERN_ERR "move_member_tasks_to_cpuset: "
"cgroup_scan_tasks failed\n");
}