875 struct uprobe_cpu_buffer {  struct
880 static struct uprobe_cpu_buffer __percpu *uprobe_cpu_buffer;  argument
888 	uprobe_cpu_buffer = alloc_percpu(struct uprobe_cpu_buffer);  in uprobe_buffer_init()
889 	if (uprobe_cpu_buffer == NULL)  in uprobe_buffer_init()
899 		per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf = page_address(p);  in uprobe_buffer_init()
900 		mutex_init(&per_cpu_ptr(uprobe_cpu_buffer, cpu)->mutex);  in uprobe_buffer_init()
909 		free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf);  in uprobe_buffer_init()
912 	free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_init()
939 			free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,  in uprobe_buffer_disable()
942 		free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_disable()
943 		uprobe_cpu_buffer = NULL;  in uprobe_buffer_disable()
947 static struct uprobe_cpu_buffer *uprobe_buffer_get(void)  in uprobe_buffer_get()
949 	struct uprobe_cpu_buffer *ucb;  in uprobe_buffer_get()
953 	ucb = per_cpu_ptr(uprobe_cpu_buffer, cpu);  in uprobe_buffer_get()
964 static void uprobe_buffer_put(struct uprobe_cpu_buffer *ucb)  in uprobe_buffer_put()
971 static struct uprobe_cpu_buffer *prepare_uprobe_buffer(struct trace_uprobe *tu,  in prepare_uprobe_buffer()
973 						       struct uprobe_cpu_buffer **ucbp)  in prepare_uprobe_buffer()
975 	struct uprobe_cpu_buffer *ucb;  in prepare_uprobe_buffer()
1000 				struct uprobe_cpu_buffer *ucb,  in __uprobe_trace_func()
1036 			     struct uprobe_cpu_buffer **ucbp)  in uprobe_trace_func()
1039 	struct uprobe_cpu_buffer *ucb;  in uprobe_trace_func()
1056 				 struct uprobe_cpu_buffer **ucbp)  in uretprobe_trace_func()
1059 	struct uprobe_cpu_buffer *ucb;  in uretprobe_trace_func()
1393 			       struct uprobe_cpu_buffer **ucbp)  in __uprobe_perf_func()
1397 	struct uprobe_cpu_buffer *ucb;  in __uprobe_perf_func()
1456 			    struct uprobe_cpu_buffer **ucbp)  in uprobe_perf_func()
1468 				struct uprobe_cpu_buffer **ucbp)  in uretprobe_perf_func()
1536 	struct uprobe_cpu_buffer *ucb = NULL;  in uprobe_dispatcher()
1548 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uprobe_dispatcher()
1568 	struct uprobe_cpu_buffer *ucb = NULL;  in uretprobe_dispatcher()
1577 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uretprobe_dispatcher()