1080 	struct kretprobe *rp = ri->rp;  in recycle_rp_inst()  local
1085 	if (likely(rp)) {  in recycle_rp_inst()
1086 		raw_spin_lock(&rp->lock);  in recycle_rp_inst()
1087 		hlist_add_head(&ri->hlist, &rp->free_instances);  in recycle_rp_inst()
1088 		raw_spin_unlock(&rp->lock);  in recycle_rp_inst()
1171 static inline void free_rp_inst(struct kretprobe *rp)  in free_rp_inst()  argument
1176 	hlist_for_each_entry_safe(ri, next, &rp->free_instances, hlist) {  in free_rp_inst()
1182 static void cleanup_rp_inst(struct kretprobe *rp)  in cleanup_rp_inst()  argument
1194 			if (ri->rp == rp)  in cleanup_rp_inst()
1195 				ri->rp = NULL;  in cleanup_rp_inst()
1199 	free_rp_inst(rp);  in cleanup_rp_inst()
1788 	struct kretprobe *rp = container_of(p, struct kretprobe, kp);  in pre_handler_kretprobe()  local
1799 		rp->nmissed++;  in pre_handler_kretprobe()
1805 	raw_spin_lock_irqsave(&rp->lock, flags);  in pre_handler_kretprobe()
1806 	if (!hlist_empty(&rp->free_instances)) {  in pre_handler_kretprobe()
1807 		ri = hlist_entry(rp->free_instances.first,  in pre_handler_kretprobe()
1810 		raw_spin_unlock_irqrestore(&rp->lock, flags);  in pre_handler_kretprobe()
1812 		ri->rp = rp;  in pre_handler_kretprobe()
1815 		if (rp->entry_handler && rp->entry_handler(ri, regs)) {  in pre_handler_kretprobe()
1816 			raw_spin_lock_irqsave(&rp->lock, flags);  in pre_handler_kretprobe()
1817 			hlist_add_head(&ri->hlist, &rp->free_instances);  in pre_handler_kretprobe()
1818 			raw_spin_unlock_irqrestore(&rp->lock, flags);  in pre_handler_kretprobe()
1830 		rp->nmissed++;  in pre_handler_kretprobe()
1831 		raw_spin_unlock_irqrestore(&rp->lock, flags);  in pre_handler_kretprobe()
1837 int register_kretprobe(struct kretprobe *rp)  in register_kretprobe()  argument
1845 		addr = kprobe_addr(&rp->kp);  in register_kretprobe()
1855 	rp->kp.pre_handler = pre_handler_kretprobe;  in register_kretprobe()
1856 	rp->kp.post_handler = NULL;  in register_kretprobe()
1857 	rp->kp.fault_handler = NULL;  in register_kretprobe()
1858 	rp->kp.break_handler = NULL;  in register_kretprobe()
1861 	if (rp->maxactive <= 0) {  in register_kretprobe()
1863 		rp->maxactive = max_t(unsigned int, 10, 2*num_possible_cpus());  in register_kretprobe()
1865 		rp->maxactive = num_possible_cpus();  in register_kretprobe()
1868 	raw_spin_lock_init(&rp->lock);  in register_kretprobe()
1869 	INIT_HLIST_HEAD(&rp->free_instances);  in register_kretprobe()
1870 	for (i = 0; i < rp->maxactive; i++) {  in register_kretprobe()
1872 			       rp->data_size, GFP_KERNEL);  in register_kretprobe()
1874 			free_rp_inst(rp);  in register_kretprobe()
1878 		hlist_add_head(&inst->hlist, &rp->free_instances);  in register_kretprobe()
1881 	rp->nmissed = 0;  in register_kretprobe()
1883 	ret = register_kprobe(&rp->kp);  in register_kretprobe()
1885 		free_rp_inst(rp);  in register_kretprobe()
1908 void unregister_kretprobe(struct kretprobe *rp)  in unregister_kretprobe()  argument
1910 	unregister_kretprobes(&rp, 1);  in unregister_kretprobe()
1937 int register_kretprobe(struct kretprobe *rp)  in register_kretprobe()  argument
1949 void unregister_kretprobe(struct kretprobe *rp)  in unregister_kretprobe()  argument