PAGE_CNT
__u8 __arena * __arena page[PAGE_CNT]; /* occupies the first page */
err = alloc_pages(PAGE_CNT, 1, true, PAGE_CNT, 2);
for (i = 0; i < PAGE_CNT; i += 2) {
err = alloc_pages(PAGE_CNT / 2, 1, false, PAGE_CNT, 4);
for (i = 0; i < PAGE_CNT; i += 4) {
err = alloc_pages(PAGE_CNT / 4, 2, false, PAGE_CNT, 6);
for (i = 0; i < PAGE_CNT; i += 2) {
if ((pg - base) / PAGE_SIZE < PAGE_CNT)