cache_push
cache_push( paddr, len );
extern void cache_push(unsigned long paddr, int len);
cache_push(page_to_phys(page), size);
cache_push(handle, size);
EXPORT_SYMBOL(cache_push);
cache_push(virt_to_phys(skb->data), length);
cache_push(virt_to_phys((void *)(dev->mem_start)), 4096);
cache_push(addr, scsi_pointer->this_residual);
cache_push(atari_stram_to_phys(screen_base), screen_len);