Lines Matching defs:zc
151 struct tcp_zerocopy_receive zc;
188 socklen_t zc_len = sizeof(zc);
191 memset(&zc, 0, sizeof(zc));
192 zc.address = (__u64)((unsigned long)addr);
193 zc.length = chunk_size;
196 &zc, &zc_len);
200 if (zc.length) {
201 assert(zc.length <= chunk_size);
202 total_mmap += zc.length;
204 hash_zone(addr, zc.length);
208 madvise(addr, zc.length, MADV_DONTNEED);
209 total += zc.length;
211 if (zc.recv_skip_hint) {
212 assert(zc.recv_skip_hint <= chunk_size);
213 lu = read(fd, buffer, zc.recv_skip_hint);