summaryrefslogtreecommitdiffstats
path: root/kernel/pid.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/pid.c')
-rw-r--r--kernel/pid.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index 0db3e79..66505c1 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -75,6 +75,7 @@ struct pid_namespace init_pid_ns = {
[ 0 ... PIDMAP_ENTRIES-1] = { ATOMIC_INIT(BITS_PER_PAGE), NULL }
},
.last_pid = 0,
+ .nr_hashed = PIDNS_HASH_ADDING,
.level = 0,
.child_reaper = &init_task,
.user_ns = &init_user_ns,
@@ -373,14 +374,10 @@ EXPORT_SYMBOL_GPL(find_vpid);
/*
* attach_pid() must be called with the tasklist_lock write-held.
*/
-void attach_pid(struct task_struct *task, enum pid_type type,
- struct pid *pid)
+void attach_pid(struct task_struct *task, enum pid_type type)
{
- struct pid_link *link;
-
- link = &task->pids[type];
- link->pid = pid;
- hlist_add_head_rcu(&link->node, &pid->tasks[type]);
+ struct pid_link *link = &task->pids[type];
+ hlist_add_head_rcu(&link->node, &link->pid->tasks[type]);
}
static void __change_pid(struct task_struct *task, enum pid_type type,
@@ -412,7 +409,7 @@ void change_pid(struct task_struct *task, enum pid_type type,
struct pid *pid)
{
__change_pid(task, type, pid);
- attach_pid(task, type, pid);
+ attach_pid(task, type);
}
/* transfer_pid is an optimization of attach_pid(new), detach_pid(old) */
@@ -594,7 +591,6 @@ void __init pidmap_init(void)
/* Reserve PID 0. We never call free_pidmap(0) */
set_bit(0, init_pid_ns.pidmap[0].page);
atomic_dec(&init_pid_ns.pidmap[0].nr_free);
- init_pid_ns.nr_hashed = PIDNS_HASH_ADDING;
init_pid_ns.pid_cachep = KMEM_CACHE(pid,
SLAB_HWCACHE_ALIGN | SLAB_PANIC);
OpenPOWER on IntegriCloud