70 static int hugetlb_acct_memory(struct hstate *h, long delta);
130 				      long delta)  in hugepage_subpool_get_pages()  argument
132 	long ret = delta;  in hugepage_subpool_get_pages()
140 		if ((spool->used_hpages + delta) <= spool->max_hpages)  in hugepage_subpool_get_pages()
141 			spool->used_hpages += delta;  in hugepage_subpool_get_pages()
149 		if (delta > spool->rsv_hpages) {  in hugepage_subpool_get_pages()
154 			ret = delta - spool->rsv_hpages;  in hugepage_subpool_get_pages()
158 			spool->rsv_hpages -= delta;  in hugepage_subpool_get_pages()
174 				       long delta)  in hugepage_subpool_put_pages()  argument
176 	long ret = delta;  in hugepage_subpool_put_pages()
179 		return delta;  in hugepage_subpool_put_pages()
184 		spool->used_hpages -= delta;  in hugepage_subpool_put_pages()
187 		if (spool->rsv_hpages + delta <= spool->min_hpages)  in hugepage_subpool_put_pages()
190 			ret = spool->rsv_hpages + delta - spool->min_hpages;  in hugepage_subpool_put_pages()
192 		spool->rsv_hpages += delta;  in hugepage_subpool_put_pages()
1307 static int gather_surplus_pages(struct hstate *h, int delta)  in gather_surplus_pages()  argument
1315 	needed = (h->resv_huge_pages + delta) - h->free_huge_pages;  in gather_surplus_pages()
1317 		h->resv_huge_pages += delta;  in gather_surplus_pages()
1342 	needed = (h->resv_huge_pages + delta) -  in gather_surplus_pages()
1363 	h->resv_huge_pages += delta;  in gather_surplus_pages()
1700 				int delta)  in adjust_pool_surplus()  argument
1704 	VM_BUG_ON(delta != -1 && delta != 1);  in adjust_pool_surplus()
1706 	if (delta < 0) {  in adjust_pool_surplus()
1721 	h->surplus_huge_pages += delta;  in adjust_pool_surplus()
1722 	h->surplus_huge_pages_node[node] += delta;  in adjust_pool_surplus()
2500 static int hugetlb_acct_memory(struct hstate *h, long delta)  in hugetlb_acct_memory()  argument
2522 	if (delta > 0) {  in hugetlb_acct_memory()
2523 		if (gather_surplus_pages(h, delta) < 0)  in hugetlb_acct_memory()
2526 		if (delta > cpuset_mems_nr(h->free_huge_pages_node)) {  in hugetlb_acct_memory()
2527 			return_unused_surplus_pages(h, delta);  in hugetlb_acct_memory()
2533 	if (delta < 0)  in hugetlb_acct_memory()
2534 		return_unused_surplus_pages(h, (unsigned long) -delta);  in hugetlb_acct_memory()