Commit 7f81b1ae authored by Li Zefan's avatar Li Zefan Committed by Linus Torvalds
Browse files

cpuset: remove struct cpuset_hotplug_scanner 



Use cgroup_scanner.data, instead of introducing cpuset_hotplug_scanner.

Signed-off-by: default avatarLi 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 010cfac4

kernel/cpuset.c

+9 −14
Original line number Diff line number Diff line
@@ -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");

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE