854 struct uprobe_cpu_buffer {  struct
858 static struct uprobe_cpu_buffer __percpu *uprobe_cpu_buffer;  variable
865 	uprobe_cpu_buffer = alloc_percpu(struct uprobe_cpu_buffer);  in uprobe_buffer_init()
866 	if (uprobe_cpu_buffer == NULL)  in uprobe_buffer_init()
876 		per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf = page_address(p);  in uprobe_buffer_init()
877 		mutex_init(&per_cpu_ptr(uprobe_cpu_buffer, cpu)->mutex);  in uprobe_buffer_init()
886 		free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf);  in uprobe_buffer_init()
889 	free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_init()
916 			free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,  in uprobe_buffer_disable()
919 		free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_disable()
920 		uprobe_cpu_buffer = NULL;  in uprobe_buffer_disable()
924 static struct uprobe_cpu_buffer *uprobe_buffer_get(void)  in uprobe_buffer_get()
926 	struct uprobe_cpu_buffer *ucb;  in uprobe_buffer_get()
930 	ucb = per_cpu_ptr(uprobe_cpu_buffer, cpu);  in uprobe_buffer_get()
941 static void uprobe_buffer_put(struct uprobe_cpu_buffer *ucb)  in uprobe_buffer_put()
948 				struct uprobe_cpu_buffer *ucb, int dsize,  in __uprobe_trace_func()
987 			     struct uprobe_cpu_buffer *ucb, int dsize)  in uprobe_trace_func()
1004 				 struct uprobe_cpu_buffer *ucb, int dsize)  in uretprobe_trace_func()
1338 			       struct uprobe_cpu_buffer *ucb, int dsize)  in __uprobe_perf_func()
1398 			    struct uprobe_cpu_buffer *ucb, int dsize)  in uprobe_perf_func()
1410 				struct uprobe_cpu_buffer *ucb, int dsize)  in uretprobe_perf_func()
1477 	struct uprobe_cpu_buffer *ucb;  in uprobe_dispatcher()
1490 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uprobe_dispatcher()
1515 	struct uprobe_cpu_buffer *ucb;  in uretprobe_dispatcher()
1525 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uretprobe_dispatcher()