-// Return true iff "enough" elements are equal to (i+value)%256 between buf[start] and buf[stop-1].
-static int check_enough(uint8_t *buf, size_t start, size_t stop, uint8_t value) {
- int page_size = 0x1000;
- size_t size = stop-start;
- if(size <= 2*page_size) // we are not sure to have a whole page that is shared
- return 1;
- size_t occ = count_all(buf, start, stop, value);
- return occ >= size - 2*page_size;
-}
-