linux-master/mm/slub.c

54  *   2. node->list_lock (Spinlock)
102  *   list_lock
104  *   The list_lock protects the partial and full list on each node and
110  *   The list_lock is a centralized lock and thus we avoid taking it as
116  *   For debug caches, all allocations are forced to go through a list_lock
142  *   Interrupts are disabled as part of list_lock or local_lock operations, or
426 	spinlock_t list_lock;
1483 	lockdep_assert_held(&n->list_lock);
1492 	lockdep_assert_held(&n->list_lock);
2565 	lockdep_assert_held(&n->list_lock);
2572 	lockdep_assert_held(&n->list_lock);
2589 	lockdep_assert_held(&n->list_lock);
2634 	spin_lock_irqsave(&n->list_lock, flags);
2642 	spin_unlock_irqrestore(&n->list_lock, flags);
2675 	spin_lock_irqsave(&n->list_lock, flags);
2709 	spin_unlock_irqrestore(&n->list_lock, flags);
2948 		spin_lock_irqsave(&n->list_lock, flags);
2950 		spin_unlock_irqrestore(&n->list_lock, flags);
2971 				spin_unlock_irqrestore(&n->list_lock, flags);
2974 			spin_lock_irqsave(&n->list_lock, flags);
2987 		spin_unlock_irqrestore(&n->list_lock, flags);
3311 	spin_lock_irqsave(&n->list_lock, flags);
3314 	spin_unlock_irqrestore(&n->list_lock, flags);
3328 	spin_lock_irqsave(&n->list_lock, flags);
3353 	spin_unlock_irqrestore(&n->list_lock, flags);
4183 	spin_lock_irqsave(&n->list_lock, flags);
4216 		 * Update the counters while still holding n->list_lock to
4222 	spin_unlock_irqrestore(&n->list_lock, flags);
4260 			spin_unlock_irqrestore(&n->list_lock, flags);
4275 				 * Speculatively acquire the list_lock.
4277 				 * drop the list_lock without any processing.
4279 				 * Otherwise the list_lock will synchronize with
4282 				spin_lock_irqsave(&n->list_lock, flags);
4318 		spin_unlock_irqrestore(&n->list_lock, flags);
4333 	spin_unlock_irqrestore(&n->list_lock, flags);
4345 	spin_unlock_irqrestore(&n->list_lock, flags);
4828  * take the list_lock.
4847  * activity on the partial lists which requires taking the list_lock. This is
4947 	spin_lock_init(&n->list_lock);
5330  * This is called from __kmem_cache_shutdown(). We must take list_lock
5339 	spin_lock_irq(&n->list_lock);
5349 	spin_unlock_irq(&n->list_lock);
5563 		spin_lock_irqsave(&n->list_lock, flags);
5569 		 * list_lock. slab->inuse here is the upper limit.
5596 		spin_unlock_irqrestore(&n->list_lock, flags);
5922 	spin_lock_irqsave(&n->list_lock, flags);
5948 	spin_unlock_irqrestore(&n->list_lock, flags);
7171 		spin_lock_irqsave(&n->list_lock, flags);
7176 		spin_unlock_irqrestore(&n->list_lock, flags);