commit a4c06dec1ebe41dd4444d387478500e6022e2209
author Jorge Boncompte [DTI2] <jorge@dti2.net> Fri Apr 20 14:28:40 2012 +0200
committer David Lamparter <equinox@diac24.net> Wed May 02 17:03:34 2012 +0200
tree 0270c50d6b4c1a7dec292599890e0aaaae3f99a1
parent 682ca04c4032bfbf31e51df2472345fda1ff7b2c

zebra: no need to clear memory of the netlink buffers

The memory is always written before sending. Clearing it before use
slows netlink_route_multipath() down considerably and it's pretty
noticeable in a full-internet table scenario loading.

  * zebra/rt_netlink.c: subtract bulk buffer size from clear

Signed-off-by: Jorge Boncompte [DTI2] <jorge@dti2.net>
[reworded commit message]
Signed-off-by: David Lamparter <equinox@diac24.net>

zebra/rt_netlink.c

diff --git a/zebra/rt_netlink.c b/zebra/rt_netlink.c
index 5909131..15475e2 100644
--- a/zebra/rt_netlink.c
+++ b/zebra/rt_netlink.c
@@ -1368,7 +1368,7 @@
     char buf[NL_PKT_BUF_SIZE];
   } req;
 
-  memset (&req, 0, sizeof req);
+  memset (&req, 0, sizeof req - NL_PKT_BUF_SIZE);
 
   bytelen = (family == AF_INET ? 4 : 16);
 
@@ -1443,7 +1443,7 @@
     char buf[NL_PKT_BUF_SIZE];
   } req;
 
-  memset (&req, 0, sizeof req);
+  memset (&req, 0, sizeof req - NL_PKT_BUF_SIZE);
 
   bytelen = (family == AF_INET ? 4 : 16);
 
@@ -1903,7 +1903,7 @@
   } req;
 
   p = ifc->address;
-  memset (&req, 0, sizeof req);
+  memset (&req, 0, sizeof req - NL_PKT_BUF_SIZE);
 
   bytelen = (family == AF_INET ? 4 : 16);