dvma_malloc_align
#define dvma_malloc(x) dvma_malloc_align(x, 0)
extern void *dvma_malloc_align(unsigned long len, unsigned long align);
EXPORT_SYMBOL(dvma_malloc_align);
MEM = dvma_malloc_align(sizeof(struct lance_memory), 0x10000);
dev->mem_start = (unsigned long)dvma_malloc_align(0x8000, 0x1000);