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);
429 static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
437 if (nr_pages > ARRAY_SIZE(frame_list))
438 nr_pages = ARRAY_SIZE(frame_list);
440 for (i = 0; i < nr_pages; i++) {
443 nr_pages = i;
478 ret = xenmem_reservation_decrease(nr_pages, frame_list);
479 BUG_ON(ret != nr_pages);
481 balloon_stats.current_pages -= nr_pages;
571 static int add_ballooned_pages(unsigned int nr_pages)
588 if (si_mem_available() < nr_pages)
591 st = decrease_reservation(nr_pages, GFP_USER);
600 * @nr_pages: Number of pages to get
604 int xen_alloc_ballooned_pages(unsigned int nr_pages, struct page **pages)
612 balloon_stats.target_unpopulated += nr_pages;
614 while (pgno < nr_pages) {
632 ret = add_ballooned_pages(nr_pages - pgno);
644 * target_unpopulated is incremented with nr_pages at the start we need
647 balloon_stats.target_unpopulated -= nr_pages - pgno;
654 * @nr_pages: Number of pages
657 void xen_free_ballooned_pages(unsigned int nr_pages, struct page **pages)
663 for (i = 0; i < nr_pages; i++) {
668 balloon_stats.target_unpopulated -= nr_pages;
716 ? min(xen_start_info->nr_pages - xen_released_pages, max_pfn)