DMA memory allocation support
configname: CONFIG_ZONE_DMA
Linux Kernel Configuration
└─>Processor type and features
└─>DMA memory allocation support
In linux kernel since version 2.6.21 (release Date: 2007-04-25)
DMA memory allocation support allows devices with less than 32-bit
addressing to allocate within the first 16MB of address space.
Disable if no such devices will be used.
If unsure, say Y.
addressing to allocate within the first 16MB of address space.
Disable if no such devices will be used.
If unsure, say Y.