alloc_stmem
void *alloc_stmem(u_long, void **);
return (uint8_t *)alloc_stmem(len, &tmp);
sc->bounceb = alloc_stmem(SECTOR_SIZE, &addr);
if ((bm = (bmap_t*)alloc_stmem(total_size, &hw_address)) == NULL)
if ((bm = (bmap_t*)alloc_stmem(total_size, &hw_address)) == NULL)