584 	long chg = 0;  in region_chg()  local
589 	chg = add_reservation_in_range(resv, f, t, NULL, NULL,  in region_chg()
601 	return chg;  in region_chg()
771 	long chg = 0;  in region_count()  local
787 		chg += seg_to - seg_from;  in region_count()
791 	return chg;  in region_count()
1005 static bool vma_has_reserves(struct vm_area_struct *vma, long chg)  in vma_has_reserves()  argument
1017 		if (vma->vm_flags & VM_MAYSHARE && chg == 0)  in vma_has_reserves()
1032 		if (chg)  in vma_has_reserves()
1058 		if (chg)  in vma_has_reserves()
1138 				long chg)  in dequeue_huge_page_vma()  argument
1151 	if (!vma_has_reserves(vma, chg) &&  in dequeue_huge_page_vma()
1162 	if (page && !avoid_reserve && vma_has_reserves(vma, chg)) {  in dequeue_huge_page_vma()
5146 	long ret, chg, add = -1;  in hugetlb_reserve_pages()  local
5181 		chg = region_chg(resv_map, from, to, &regions_needed);  in hugetlb_reserve_pages()
5189 		chg = to - from;  in hugetlb_reserve_pages()
5195 	if (chg < 0) {  in hugetlb_reserve_pages()
5196 		ret = chg;  in hugetlb_reserve_pages()
5201 		hstate_index(h), chg * pages_per_huge_page(h), &h_cg);  in hugetlb_reserve_pages()
5220 	gbl_reserve = hugepage_subpool_get_pages(spool, chg);  in hugetlb_reserve_pages()
5253 		} else if (unlikely(chg > add)) {  in hugetlb_reserve_pages()
5269 				(chg - add) * pages_per_huge_page(h), h_cg);  in hugetlb_reserve_pages()
5272 								chg - add);  in hugetlb_reserve_pages()
5287 	(void)hugepage_subpool_put_pages(spool, chg);  in hugetlb_reserve_pages()
5290 					    chg * pages_per_huge_page(h), h_cg);  in hugetlb_reserve_pages()
5296 		if (chg >= 0 && add < 0)  in hugetlb_reserve_pages()
5308 	long chg = 0;  in hugetlb_unreserve_pages()  local
5317 		chg = region_del(resv_map, start, end);  in hugetlb_unreserve_pages()
5323 		if (chg < 0)  in hugetlb_unreserve_pages()
5324 			return chg;  in hugetlb_unreserve_pages()
5335 	gbl_reserve = hugepage_subpool_put_pages(spool, (chg - freed));  in hugetlb_unreserve_pages()