ipv4: Kill RT_CACHE_DEBUG

It's way past it's usefulness.  And this gets rid of a bunch
of stray ->rt_{dst,src} references.

Even the comment documenting the macro was inaccurate (stated
default was 1 when it's 0).

If reintroduced, it should be done properly, with dynamic debug
facilities.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 7 deletions

diff --git a/include/net/dst.h b/include/net/dst.h
index 2588a9a88cc6..07a0402c52e6 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -16,13 +16,6 @@
 #include <net/neighbour.h>
 #include <asm/processor.h>
 
-/*
- * 0 - no debugging messages
- * 1 - rare events and bugs (default)
- * 2 - trace mode.
- */
-#define RT_CACHE_DEBUG          0
-
 #define DST_GC_MIN      (HZ/10)
 #define DST_GC_INC      (HZ/2)
 #define DST_GC_MAX      (120*HZ)