857 struct uprobe_cpu_buffer {  struct
861 static struct uprobe_cpu_buffer __percpu *uprobe_cpu_buffer;  argument
868 	uprobe_cpu_buffer = alloc_percpu(struct uprobe_cpu_buffer);  in uprobe_buffer_init()
869 	if (uprobe_cpu_buffer == NULL)  in uprobe_buffer_init()
879 		per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf = page_address(p);  in uprobe_buffer_init()
880 		mutex_init(&per_cpu_ptr(uprobe_cpu_buffer, cpu)->mutex);  in uprobe_buffer_init()
889 		free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf);  in uprobe_buffer_init()
892 	free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_init()
919 			free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,  in uprobe_buffer_disable()
922 		free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_disable()
923 		uprobe_cpu_buffer = NULL;  in uprobe_buffer_disable()
927 static struct uprobe_cpu_buffer *uprobe_buffer_get(void)  in uprobe_buffer_get()
929 	struct uprobe_cpu_buffer *ucb;  in uprobe_buffer_get()
933 	ucb = per_cpu_ptr(uprobe_cpu_buffer, cpu);  in uprobe_buffer_get()
944 static void uprobe_buffer_put(struct uprobe_cpu_buffer *ucb)  in uprobe_buffer_put()
951 				struct uprobe_cpu_buffer *ucb, int dsize,  in __uprobe_trace_func()
990 			     struct uprobe_cpu_buffer *ucb, int dsize)  in uprobe_trace_func()
1007 				 struct uprobe_cpu_buffer *ucb, int dsize)  in uretprobe_trace_func()
1341 			       struct uprobe_cpu_buffer *ucb, int dsize)  in __uprobe_perf_func()
1401 			    struct uprobe_cpu_buffer *ucb, int dsize)  in uprobe_perf_func()
1413 				struct uprobe_cpu_buffer *ucb, int dsize)  in uretprobe_perf_func()
1479 	struct uprobe_cpu_buffer *ucb;  in uprobe_dispatcher()
1492 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uprobe_dispatcher()
1517 	struct uprobe_cpu_buffer *ucb;  in uretprobe_dispatcher()
1527 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uretprobe_dispatcher()