MAP_ALIGNMENT_SHIFT
align >> MAP_ALIGNMENT_SHIFT);
align >>= MAP_ALIGNMENT_SHIFT;
#define MAP_ALIGNED(n) ((n) << MAP_ALIGNMENT_SHIFT)
MAP_ALIGNMENT_SHIFT);
if (align >> MAP_ALIGNMENT_SHIFT >= sizeof(void *) * NBBY)
align >> MAP_ALIGNMENT_SHIFT,
else if (align >> MAP_ALIGNMENT_SHIFT < PAGE_SHIFT)
align >> MAP_ALIGNMENT_SHIFT, PAGE_SHIFT));