477 	unsigned long pages;  in pages_to_scan_store()  local
479 	err = kstrtoul(buf, 10, &pages);  in pages_to_scan_store()
480 	if (err || !pages || pages > UINT_MAX)  in pages_to_scan_store()
483 	khugepaged_pages_to_scan = pages;  in pages_to_scan_store()
985 	struct page **pages;  in do_huge_pmd_wp_page_fallback()  local
989 	pages = kmalloc(sizeof(struct page *) * HPAGE_PMD_NR,  in do_huge_pmd_wp_page_fallback()
991 	if (unlikely(!pages)) {  in do_huge_pmd_wp_page_fallback()
997 		pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE |  in do_huge_pmd_wp_page_fallback()
1000 		if (unlikely(!pages[i] ||  in do_huge_pmd_wp_page_fallback()
1001 			     mem_cgroup_try_charge(pages[i], mm, GFP_KERNEL,  in do_huge_pmd_wp_page_fallback()
1003 			if (pages[i])  in do_huge_pmd_wp_page_fallback()
1004 				put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1006 				memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1007 				set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1008 				mem_cgroup_cancel_charge(pages[i], memcg);  in do_huge_pmd_wp_page_fallback()
1009 				put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1011 			kfree(pages);  in do_huge_pmd_wp_page_fallback()
1015 		set_page_private(pages[i], (unsigned long)memcg);  in do_huge_pmd_wp_page_fallback()
1019 		copy_user_highpage(pages[i], page + i,  in do_huge_pmd_wp_page_fallback()
1021 		__SetPageUptodate(pages[i]);  in do_huge_pmd_wp_page_fallback()
1042 		entry = mk_pte(pages[i], vma->vm_page_prot);  in do_huge_pmd_wp_page_fallback()
1044 		memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1045 		set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1046 		page_add_new_anon_rmap(pages[i], vma, haddr);  in do_huge_pmd_wp_page_fallback()
1047 		mem_cgroup_commit_charge(pages[i], memcg, false);  in do_huge_pmd_wp_page_fallback()
1048 		lru_cache_add_active_or_unevictable(pages[i], vma);  in do_huge_pmd_wp_page_fallback()
1054 	kfree(pages);  in do_huge_pmd_wp_page_fallback()
1073 		memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1074 		set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1075 		mem_cgroup_cancel_charge(pages[i], memcg);  in do_huge_pmd_wp_page_fallback()
1076 		put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1078 	kfree(pages);  in do_huge_pmd_wp_page_fallback()
2661 static unsigned int khugepaged_scan_mm_slot(unsigned int pages,  in khugepaged_scan_mm_slot()  argument
2671 	VM_BUG_ON(!pages);  in khugepaged_scan_mm_slot()
2733 			if (progress >= pages)  in khugepaged_scan_mm_slot()
2785 	unsigned int pages = khugepaged_pages_to_scan;  in khugepaged_do_scan()  local
2790 	while (progress < pages) {  in khugepaged_do_scan()
2804 			progress += khugepaged_scan_mm_slot(pages - progress,  in khugepaged_do_scan()
2807 			progress = pages;  in khugepaged_do_scan()