CONFIG_SIBYTE_DMA_PAGEOPS is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Use DMA to clear/copy pages

configname: CONFIG_SIBYTE_DMA_PAGEOPS

Linux Kernel Configuration
└─>Kernel type
└─>Use DMA to clear/copy pages
In linux kernel since version 2.6.12  
Instead of using the CPU to zero and copy pages, use a Data Mover
channel. These DMA channels are otherwise unused by the standard
SiByte Linux port. Seems to give a small performance benefit.

depends
CONFIG_CPU_SB1