Function memcpy64

include/init/string.h:116–128

}

static void memcpy64(void *dst, const void *src, int n)
{
	if(!dst || !src || !n) return;
	u8 p = n & 7; // remaining bytes (same as n % 8)

	n >>= 3; // same as n /= 8;
	u64 *d = (u64 *) dst;
	const u64 *s = (u64 *) src;
	while (n--) *d++ = *s++; // 64bit memcpy

	if(p)
		memcpy(d, s, p);
}

void _memset(void *m, size_t n);
void _memset(void *m, size_t n)