CONFIG_DMA_PAGE_OPS is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
Use DMAC for page copy/clear
modulename: pg-dma.ko
configname: CONFIG_DMA_PAGE_OPS
Linux Kernel Configuration
└─>DMA support
└─>Use DMAC for page copy/clear
In linux kernel since version 2.6.12
Selecting this option will use a dual-address mode configured channel
in the SH DMAC for copy_page()/clear_page(). Primarily a performance
hack.
in the SH DMAC for copy_page()/clear_page(). Primarily a performance
hack.