Lines Matching refs:nr_pages
386 static enum bp_state increase_reservation(unsigned long nr_pages)
392 if (nr_pages > ARRAY_SIZE(frame_list))
393 nr_pages = ARRAY_SIZE(frame_list);
396 for (i = 0; i < nr_pages; i++) {
398 nr_pages = i;
406 rc = xenmem_reservation_increase(nr_pages, frame_list);
425 static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
433 if (nr_pages > ARRAY_SIZE(frame_list))
434 nr_pages = ARRAY_SIZE(frame_list);
436 for (i = 0; i < nr_pages; i++) {
439 nr_pages = i;
474 ret = xenmem_reservation_decrease(nr_pages, frame_list);
475 BUG_ON(ret != nr_pages);
477 balloon_stats.current_pages -= nr_pages;
567 static int add_ballooned_pages(unsigned int nr_pages)
584 if (si_mem_available() < nr_pages)
587 st = decrease_reservation(nr_pages, GFP_USER);
596 * @nr_pages: Number of pages to get
600 int xen_alloc_ballooned_pages(unsigned int nr_pages, struct page **pages)
608 balloon_stats.target_unpopulated += nr_pages;
610 while (pgno < nr_pages) {
628 ret = add_ballooned_pages(nr_pages - pgno);
640 * target_unpopulated is incremented with nr_pages at the start we need
643 balloon_stats.target_unpopulated -= nr_pages - pgno;
650 * @nr_pages: Number of pages
653 void xen_free_ballooned_pages(unsigned int nr_pages, struct page **pages)
659 for (i = 0; i < nr_pages; i++) {
664 balloon_stats.target_unpopulated -= nr_pages;
714 ? min(xen_start_info->nr_pages - xen_released_pages, max_pfn)