CONFIG_DST_CACHE (not configurable)

modulename: dst_cache.ko

configname: CONFIG_DST_CACHE

Linux Kernel Configuration
└─>Networking support
└─>DST_CACHE
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
net/core/dst_cache.c
depends
CONFIG_NET

is depended by
CONFIG_IPV6_TUNNEL