ROUND_UP_TO_PAGE
ROUND_UP_TO_PAGE(size), B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
return ROUND_UP_TO_PAGE(cacheSize);
size = ROUND_UP_TO_PAGE(count * sizeof(media_output));
size = ROUND_UP_TO_PAGE(count * sizeof(media_input));
ROUND_UP_TO_PAGE(size), B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);
ROUND_UP_TO_PAGE(size), B_NO_LOCK, B_READ_AREA | B_WRITE_AREA);