888 struct uprobe_cpu_buffer {  struct
893 static struct uprobe_cpu_buffer __percpu *uprobe_cpu_buffer;  argument
901 	uprobe_cpu_buffer = alloc_percpu(struct uprobe_cpu_buffer);  in uprobe_buffer_init()
902 	if (uprobe_cpu_buffer == NULL)  in uprobe_buffer_init()
912 		per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf = page_address(p);  in uprobe_buffer_init()
913 		mutex_init(&per_cpu_ptr(uprobe_cpu_buffer, cpu)->mutex);  in uprobe_buffer_init()
922 		free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer, cpu)->buf);  in uprobe_buffer_init()
925 	free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_init()
952 			free_page((unsigned long)per_cpu_ptr(uprobe_cpu_buffer,  in uprobe_buffer_disable()
955 		free_percpu(uprobe_cpu_buffer);  in uprobe_buffer_disable()
956 		uprobe_cpu_buffer = NULL;  in uprobe_buffer_disable()
960 static struct uprobe_cpu_buffer *uprobe_buffer_get(void)  in uprobe_buffer_get()
962 	struct uprobe_cpu_buffer *ucb;  in uprobe_buffer_get()
966 	ucb = per_cpu_ptr(uprobe_cpu_buffer, cpu);  in uprobe_buffer_get()
977 static void uprobe_buffer_put(struct uprobe_cpu_buffer *ucb)  in uprobe_buffer_put()
984 static struct uprobe_cpu_buffer *prepare_uprobe_buffer(struct trace_uprobe *tu,  in prepare_uprobe_buffer()
986 						       struct uprobe_cpu_buffer **ucbp)  in prepare_uprobe_buffer()
988 	struct uprobe_cpu_buffer *ucb;  in prepare_uprobe_buffer()
1013 				struct uprobe_cpu_buffer *ucb,  in __uprobe_trace_func()
1049 			     struct uprobe_cpu_buffer **ucbp)  in uprobe_trace_func()
1052 	struct uprobe_cpu_buffer *ucb;  in uprobe_trace_func()
1069 				 struct uprobe_cpu_buffer **ucbp)  in uretprobe_trace_func()
1072 	struct uprobe_cpu_buffer *ucb;  in uretprobe_trace_func()
1406 			       struct uprobe_cpu_buffer **ucbp)  in __uprobe_perf_func()
1410 	struct uprobe_cpu_buffer *ucb;  in __uprobe_perf_func()
1469 			    struct uprobe_cpu_buffer **ucbp)  in uprobe_perf_func()
1481 				struct uprobe_cpu_buffer **ucbp)  in uretprobe_perf_func()
1549 	struct uprobe_cpu_buffer *ucb = NULL;  in uprobe_dispatcher()
1561 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uprobe_dispatcher()
1581 	struct uprobe_cpu_buffer *ucb = NULL;  in uretprobe_dispatcher()
1590 	if (WARN_ON_ONCE(!uprobe_cpu_buffer))  in uretprobe_dispatcher()