355 	long chg = 0;  in region_chg()  local
409 		chg = t - f;  in region_chg()
416 	chg = t - f;  in region_chg()
429 			chg += rg->to - t;  in region_chg()
432 		chg -= rg->to - rg->from;  in region_chg()
439 	return chg;  in region_chg()
442 	return chg;  in region_chg()
589 	long chg = 0;  in region_count()  local
605 		chg += seg_to - seg_from;  in region_count()
609 	return chg;  in region_count()
795 static bool vma_has_reserves(struct vm_area_struct *vma, long chg)  in vma_has_reserves()  argument
807 		if (vma->vm_flags & VM_MAYSHARE && chg == 0)  in vma_has_reserves()
822 		if (chg)  in vma_has_reserves()
878 				long chg)  in dequeue_huge_page_vma()  argument
893 	if (!vma_has_reserves(vma, chg) &&  in dequeue_huge_page_vma()
913 				if (!vma_has_reserves(vma, chg))  in dequeue_huge_page_vma()
4004 	long ret, chg;  in hugetlb_reserve_pages()  local
4027 		chg = region_chg(resv_map, from, to);  in hugetlb_reserve_pages()
4034 		chg = to - from;  in hugetlb_reserve_pages()
4040 	if (chg < 0) {  in hugetlb_reserve_pages()
4041 		ret = chg;  in hugetlb_reserve_pages()
4050 	gbl_reserve = hugepage_subpool_get_pages(spool, chg);  in hugetlb_reserve_pages()
4063 		(void)hugepage_subpool_put_pages(spool, chg);  in hugetlb_reserve_pages()
4081 		if (unlikely(chg > add)) {  in hugetlb_reserve_pages()
4092 								chg - add);  in hugetlb_reserve_pages()
4110 	long chg = 0;  in hugetlb_unreserve_pages()  local
4115 		chg = region_del(resv_map, start, end);  in hugetlb_unreserve_pages()
4121 		if (chg < 0)  in hugetlb_unreserve_pages()
4122 			return chg;  in hugetlb_unreserve_pages()
4133 	gbl_reserve = hugepage_subpool_put_pages(spool, (chg - freed));  in hugetlb_unreserve_pages()