dvma_map_align
#define dvma_map(x, y) dvma_map_align(x, y, 0)
#define dvma_map_align_vme(x, y, z) (dvma_map_align (x, y, z) & 0xfffff)
extern unsigned long dvma_map_align(unsigned long kaddr, int len,
EXPORT_SYMBOL(dvma_map_align);
if((baddr = (unsigned long)dvma_map_align(kaddr, len, align)) == 0) {