pbl_chunk
unsigned pbl_start, pbl_chunk, pbl_top;
pbl_chunk = rdev->lldi.vr->pbl.size;
pbl_top = pbl_start + pbl_chunk;
pbl_chunk = min(pbl_top - pbl_start + 1, pbl_chunk);
if (gen_pool_add(rdev->pbl_pool, pbl_start, pbl_chunk, -1)) {
pbl_start, pbl_chunk);
if (pbl_chunk <= 1024 << MIN_PBL_SHIFT) {
pbl_chunk >>= 1;
pbl_start, pbl_chunk);
pbl_start += pbl_chunk;
struct pbl_chunk *chunks;