2147 prefetch_event(char *buf, u64 head, size_t mmap_size,  in prefetch_event()  argument
2157 	if (head + sizeof(event->header) > mmap_size)  in prefetch_event()
2165 	if (head + event_size <= mmap_size)  in prefetch_event()
2173 	if (event_size <= mmap_size - head % page_size) {  in prefetch_event()
2180 		 " fuzzed or compressed perf.data?\n", __func__, head, event_size, mmap_size);  in prefetch_event()
2186 fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)  in fetch_mmaped_event()  argument
2188 	return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL));  in fetch_mmaped_event()
2192 fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)  in fetch_decomp_event()  argument
2194 	return prefetch_event(buf, head, mmap_size, needs_swap, NULL);  in fetch_decomp_event()
2259 	size_t		 mmap_size;  member
2280 	rd->mmap_size = MMAP_SIZE;  in reader__init()
2281 	if (rd->mmap_size > data_size) {  in reader__init()
2282 		rd->mmap_size = data_size;  in reader__init()
2321 		munmap(mmaps[rd->mmap_idx], rd->mmap_size);  in reader__mmap()
2329 	buf = mmap(NULL, rd->mmap_size, mmap_prot, mmap_flags, rd->fd,  in reader__mmap()
2360 	event = fetch_mmaped_event(rd->head, rd->mmap_size, rd->mmap_cur,  in reader__read_event()