mmiocpy
extern void mmiocpy(void *, const void *, size_t);
mmiocpy(to, (const void __force *)from, count);
extern void mmiocpy(void *, const void *, size_t);
mmiocpy((void __force *)to, from, count);
void mmiocpy(void *, const void *, size_t);
EXPORT_SYMBOL(mmiocpy);