Re: [PATCH v4 12/14] execute the whole memcg freeing in free_worker

2012-10-11 Thread Michal Hocko
On Mon 08-10-12 14:06:18, Glauber Costa wrote: > A lot of the initialization we do in mem_cgroup_create() is done with > softirqs enabled. This include grabbing a css id, which holds > &ss->id_lock->rlock, and the per-zone trees, which holds > rtpz->lock->rlock. All of those signal to the lockdep m

[PATCH v4 12/14] execute the whole memcg freeing in free_worker

2012-10-08 Thread Glauber Costa
A lot of the initialization we do in mem_cgroup_create() is done with softirqs enabled. This include grabbing a css id, which holds &ss->id_lock->rlock, and the per-zone trees, which holds rtpz->lock->rlock. All of those signal to the lockdep mechanism that those locks can be used in SOFTIRQ-ON-W c