39 	struct callchain_cpus_entries *entries;  in release_callchain_buffers_rcu()  local
42 	entries = container_of(head, struct callchain_cpus_entries, rcu_head);  in release_callchain_buffers_rcu()
45 		kfree(entries->cpu_entries[cpu]);  in release_callchain_buffers_rcu()
47 	kfree(entries);  in release_callchain_buffers_rcu()
52 	struct callchain_cpus_entries *entries;  in release_callchain_buffers()  local
54 	entries = callchain_cpus_entries;  in release_callchain_buffers()
56 	call_rcu(&entries->rcu_head, release_callchain_buffers_rcu);  in release_callchain_buffers()
63 	struct callchain_cpus_entries *entries;  in alloc_callchain_buffers()  local
72 	entries = kzalloc(size, GFP_KERNEL);  in alloc_callchain_buffers()
73 	if (!entries)  in alloc_callchain_buffers()
79 		entries->cpu_entries[cpu] = kmalloc_node(size, GFP_KERNEL,  in alloc_callchain_buffers()
81 		if (!entries->cpu_entries[cpu])  in alloc_callchain_buffers()
85 	rcu_assign_pointer(callchain_cpus_entries, entries);  in alloc_callchain_buffers()
91 		kfree(entries->cpu_entries[cpu]);  in alloc_callchain_buffers()
92 	kfree(entries);  in alloc_callchain_buffers()
138 	struct callchain_cpus_entries *entries;  in get_callchain_entry()  local
144 	entries = rcu_dereference(callchain_cpus_entries);  in get_callchain_entry()
145 	if (!entries)  in get_callchain_entry()
150 	return &entries->cpu_entries[cpu][*rctx];  in get_callchain_entry()