CONFIG_CAVIUM_OCTEON_LOCK_L2 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
Lock often used kernel code in the L2
configname: CONFIG_CAVIUM_OCTEON_LOCK_L2
Linux Kernel Configuration
└─>Lock often used kernel code in the L2
In linux kernel since version 2.6.29 (release Date: 2009-03-23)
Enable locking parts of the kernel into the L2 cache.