198 	long chg = 0;  in region_chg()  local
224 		chg = t - f;  in region_chg()
231 	chg = t - f;  in region_chg()
244 			chg += rg->to - t;  in region_chg()
247 		chg -= rg->to - rg->from;  in region_chg()
254 	return chg;  in region_chg()
257 	return chg;  in region_chg()
264 	long chg = 0;  in region_truncate()  local
276 		chg = rg->to - end;  in region_truncate()
285 		chg += rg->to - rg->from;  in region_truncate()
292 	return chg;  in region_truncate()
299 	long chg = 0;  in region_count()  local
315 		chg += seg_to - seg_from;  in region_count()
319 	return chg;  in region_count()
483 static int vma_has_reserves(struct vm_area_struct *vma, long chg)  in vma_has_reserves()  argument
495 		if (vma->vm_flags & VM_MAYSHARE && chg == 0)  in vma_has_reserves()
555 				long chg)  in dequeue_huge_page_vma()  argument
570 	if (!vma_has_reserves(vma, chg) &&  in dequeue_huge_page_vma()
590 				if (!vma_has_reserves(vma, chg))  in dequeue_huge_page_vma()
1362 	long chg;  in vma_needs_reservation()  local
1369 	chg = region_chg(resv, idx, idx + 1);  in vma_needs_reservation()
1372 		return chg;  in vma_needs_reservation()
1374 		return chg < 0 ? chg : 0;  in vma_needs_reservation()
1396 	long chg;  in alloc_huge_page()  local
1409 	chg = vma_needs_reservation(h, vma, addr);  in alloc_huge_page()
1410 	if (chg < 0)  in alloc_huge_page()
1412 	if (chg || avoid_reserve)  in alloc_huge_page()
1421 	page = dequeue_huge_page_vma(h, vma, addr, avoid_reserve, chg);  in alloc_huge_page()
1443 	if (chg || avoid_reserve)  in alloc_huge_page()
3469 	long ret, chg;  in hugetlb_reserve_pages()  local
3491 		chg = region_chg(resv_map, from, to);  in hugetlb_reserve_pages()
3498 		chg = to - from;  in hugetlb_reserve_pages()
3504 	if (chg < 0) {  in hugetlb_reserve_pages()
3505 		ret = chg;  in hugetlb_reserve_pages()
3510 	if (hugepage_subpool_get_pages(spool, chg)) {  in hugetlb_reserve_pages()
3519 	ret = hugetlb_acct_memory(h, chg);  in hugetlb_reserve_pages()
3521 		hugepage_subpool_put_pages(spool, chg);  in hugetlb_reserve_pages()
3549 	long chg = 0;  in hugetlb_unreserve_pages()  local
3553 		chg = region_truncate(resv_map, offset);  in hugetlb_unreserve_pages()
3558 	hugepage_subpool_put_pages(spool, (chg - freed));  in hugetlb_unreserve_pages()
3559 	hugetlb_acct_memory(h, -(chg - freed));  in hugetlb_unreserve_pages()