20 		     bool overwrite, libperf_unmap_cb_t unmap_cb)  in perf_mmap__init()  argument
24 	map->overwrite = overwrite;  in perf_mmap__init()
102 	if (!map->overwrite) {  in perf_mmap__consume()
122 			pr_debug("Finished reading overwrite ring buffer: rewind\n");  in overwrite_rb_find_range()
132 			pr_debug("Finished reading overwrite ring buffer: get start\n");  in overwrite_rb_find_range()
154 	md->start = md->overwrite ? head : old;  in __perf_mmap__read_init()
155 	md->end = md->overwrite ? old : head;  in __perf_mmap__read_init()
162 		if (!md->overwrite) {  in __perf_mmap__read_init()
193  * Mandatory for overwrite mode
194  * The direction of overwrite mode is backward.
282 	/* non-overwrite doesn't pause the ringbuffer */  in perf_mmap__read_event()
283 	if (!map->overwrite)  in perf_mmap__read_event()
288 	if (!map->overwrite)  in perf_mmap__read_event()