diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-10 16:55:28 -0800 |
| commit | 84abd88a70090cf00f9e45c3a81680874f17626e (patch) | |
| tree | 4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /kernel/pid.c | |
| parent | 13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff) | |
| parent | e28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff) | |
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'kernel/pid.c')
| -rw-r--r-- | kernel/pid.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/pid.c b/kernel/pid.c index d3f722d20f9..2e17c9c92cb 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -141,11 +141,12 @@ static int alloc_pidmap(struct pid_namespace *pid_ns) * installing it: */ spin_lock_irq(&pidmap_lock); - if (map->page) - kfree(page); - else + if (!map->page) { map->page = page; + page = NULL; + } spin_unlock_irq(&pidmap_lock); + kfree(page); if (unlikely(!map->page)) break; } @@ -268,12 +269,11 @@ struct pid *alloc_pid(struct pid_namespace *ns) for (type = 0; type < PIDTYPE_MAX; ++type) INIT_HLIST_HEAD(&pid->tasks[type]); + upid = pid->numbers + ns->level; spin_lock_irq(&pidmap_lock); - for (i = ns->level; i >= 0; i--) { - upid = &pid->numbers[i]; + for ( ; upid >= pid->numbers; --upid) hlist_add_head_rcu(&upid->pid_chain, &pid_hash[pid_hashfn(upid->nr, upid->ns)]); - } spin_unlock_irq(&pidmap_lock); out: |