15 		struct pcpu_freelist_head *head = per_cpu_ptr(s->freelist, cpu);  in pcpu_freelist_init()  local
17 		raw_res_spin_lock_init(&head->lock);  in pcpu_freelist_init()
18 		head->first = NULL;  in pcpu_freelist_init()
28 static inline void pcpu_freelist_push_node(struct pcpu_freelist_head *head,  in pcpu_freelist_push_node()  argument
31 	node->next = head->first;  in pcpu_freelist_push_node()
32 	WRITE_ONCE(head->first, node);  in pcpu_freelist_push_node()
35 static inline bool ___pcpu_freelist_push(struct pcpu_freelist_head *head,  in ___pcpu_freelist_push()  argument
38 	if (raw_res_spin_lock(&head->lock))  in ___pcpu_freelist_push()
40 	pcpu_freelist_push_node(head, node);  in ___pcpu_freelist_push()
41 	raw_res_spin_unlock(&head->lock);  in ___pcpu_freelist_push()
48 	struct pcpu_freelist_head *head;  in __pcpu_freelist_push()  local
58 			head = per_cpu_ptr(s->freelist, cpu);  in __pcpu_freelist_push()
59 			if (raw_res_spin_lock(&head->lock))  in __pcpu_freelist_push()
61 			pcpu_freelist_push_node(head, node);  in __pcpu_freelist_push()
62 			raw_res_spin_unlock(&head->lock);  in __pcpu_freelist_push()
81 	struct pcpu_freelist_head *head;  in pcpu_freelist_populate()  local
89 		head = per_cpu_ptr(s->freelist, cpu);  in pcpu_freelist_populate()
93 			pcpu_freelist_push_node(head, buf);  in pcpu_freelist_populate()
103 	struct pcpu_freelist_head *head;  in ___pcpu_freelist_pop()  local
107 		head = per_cpu_ptr(s->freelist, cpu);  in ___pcpu_freelist_pop()
108 		if (!READ_ONCE(head->first))  in ___pcpu_freelist_pop()
110 		if (raw_res_spin_lock(&head->lock))  in ___pcpu_freelist_pop()
112 		node = head->first;  in ___pcpu_freelist_pop()
114 			WRITE_ONCE(head->first, node->next);  in ___pcpu_freelist_pop()
115 			raw_res_spin_unlock(&head->lock);  in ___pcpu_freelist_pop()
118 		raw_res_spin_unlock(&head->lock);  in ___pcpu_freelist_pop()