Righ now, the DMA controller will access some random memory below 16 MB, as the physical address returned by alloc_contig() is simply truncated when given to the DMA controller. Yes, it's bad...
Righ now, the DMA controller will access some random memory below 16 MB, as the physical address returned by alloc_contig() is simply truncated when given to the DMA controller. Yes, it's bad...