nginx 0.1.16 *) Bugfix: if the response were transferred by chunks, then on the HEAD request the final chunk was issued. *) Bugfix: the "Connection: keep-alive" header were issued, even if the keepalive_timeout directive forbade the keep-alive use. *) Bugfix: the errors in the ngx_http_fastcgi_module caused the segmentation faults. *) Bugfix: the compressed response encrypted by SSL may not transferred complete. *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK options, are not used for the unix domain sockets. *) Feature: the rewrite directive supports the arguments rewriting. *) Bugfix: the response code 400 was returned for the POST request with the "Content-Length: 0" header; bug appeared in 0.1.14.

--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -201,7 +201,7 @@ static ngx_int_t ngx_event_module_init(n
     }
 
 
-    /* TODO: 128 is cache line size */
+    /* TODO: adjust cache line size, 128 is P4 cache line size */
 
     size = 128            /* ngx_accept_mutex */
            + 128;         /* ngx_connection_counter */