damon_new_region
struct damon_region *damon_new_region(unsigned long start, unsigned long end);
new = damon_new_region(r->ar.start + sz_r, r->ar.end);
newr = damon_new_region(r->ar.end, next->ar.start);
r = damon_new_region(
newr = damon_new_region(
r = damon_new_region(saddr[it][ir], eaddr[it][ir]);
r = damon_new_region(region_start_end[i][0],
r = damon_new_region(3, 5);
r = damon_new_region(0, sz_regions);
r = damon_new_region(i * 2, (i + 1) * 2);
r = damon_new_region(0, 100);
r = damon_new_region(1, 2);
r = damon_new_region(0, 100);
r2 = damon_new_region(100, 300);
r = damon_new_region(sa[i], ea[i]);
r = damon_new_region(0, 22);
r = damon_new_region(0, 220);
r = damon_new_region(sa[i], ea[i]);
r = damon_new_region(old_ranges[i].start, old_ranges[i].end);
struct damon_region *r = damon_new_region(3, 7);