18 		head->first = NULL;  in pcpu_freelist_init()
21 	s->extralist.first = NULL;  in pcpu_freelist_init()
33 	node->next = head->first;  in pcpu_freelist_push_node()
34 	WRITE_ONCE(head->first, node);  in pcpu_freelist_push_node()
129 		if (!READ_ONCE(head->first))  in ___pcpu_freelist_pop()
132 		node = head->first;  in ___pcpu_freelist_pop()
134 			WRITE_ONCE(head->first, node->next);  in ___pcpu_freelist_pop()
142 	if (!READ_ONCE(s->extralist.first))  in ___pcpu_freelist_pop()
145 	node = s->extralist.first;  in ___pcpu_freelist_pop()
147 		WRITE_ONCE(s->extralist.first, node->next);  in ___pcpu_freelist_pop()
161 		if (!READ_ONCE(head->first))  in ___pcpu_freelist_pop_nmi()
164 			node = head->first;  in ___pcpu_freelist_pop_nmi()
166 				WRITE_ONCE(head->first, node->next);  in ___pcpu_freelist_pop_nmi()
175 	if (!READ_ONCE(s->extralist.first) || !raw_spin_trylock(&s->extralist.lock))  in ___pcpu_freelist_pop_nmi()
177 	node = s->extralist.first;  in ___pcpu_freelist_pop_nmi()
179 		WRITE_ONCE(s->extralist.first, node->next);  in ___pcpu_freelist_pop_nmi()