474 	unsigned long pages;  in pages_to_scan_store()  local
476 	err = kstrtoul(buf, 10, &pages);  in pages_to_scan_store()
477 	if (err || !pages || pages > UINT_MAX)  in pages_to_scan_store()
480 	khugepaged_pages_to_scan = pages;  in pages_to_scan_store()
1054 	struct page **pages;  in do_huge_pmd_wp_page_fallback()  local
1058 	pages = kmalloc(sizeof(struct page *) * HPAGE_PMD_NR,  in do_huge_pmd_wp_page_fallback()
1060 	if (unlikely(!pages)) {  in do_huge_pmd_wp_page_fallback()
1066 		pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE |  in do_huge_pmd_wp_page_fallback()
1069 		if (unlikely(!pages[i] ||  in do_huge_pmd_wp_page_fallback()
1070 			     mem_cgroup_try_charge(pages[i], mm, GFP_KERNEL,  in do_huge_pmd_wp_page_fallback()
1072 			if (pages[i])  in do_huge_pmd_wp_page_fallback()
1073 				put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1075 				memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1076 				set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1077 				mem_cgroup_cancel_charge(pages[i], memcg);  in do_huge_pmd_wp_page_fallback()
1078 				put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1080 			kfree(pages);  in do_huge_pmd_wp_page_fallback()
1084 		set_page_private(pages[i], (unsigned long)memcg);  in do_huge_pmd_wp_page_fallback()
1088 		copy_user_highpage(pages[i], page + i,  in do_huge_pmd_wp_page_fallback()
1090 		__SetPageUptodate(pages[i]);  in do_huge_pmd_wp_page_fallback()
1111 		entry = mk_pte(pages[i], vma->vm_page_prot);  in do_huge_pmd_wp_page_fallback()
1113 		memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1114 		set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1115 		page_add_new_anon_rmap(pages[i], vma, haddr);  in do_huge_pmd_wp_page_fallback()
1116 		mem_cgroup_commit_charge(pages[i], memcg, false);  in do_huge_pmd_wp_page_fallback()
1117 		lru_cache_add_active_or_unevictable(pages[i], vma);  in do_huge_pmd_wp_page_fallback()
1123 	kfree(pages);  in do_huge_pmd_wp_page_fallback()
1142 		memcg = (void *)page_private(pages[i]);  in do_huge_pmd_wp_page_fallback()
1143 		set_page_private(pages[i], 0);  in do_huge_pmd_wp_page_fallback()
1144 		mem_cgroup_cancel_charge(pages[i], memcg);  in do_huge_pmd_wp_page_fallback()
1145 		put_page(pages[i]);  in do_huge_pmd_wp_page_fallback()
1147 	kfree(pages);  in do_huge_pmd_wp_page_fallback()
2740 static unsigned int khugepaged_scan_mm_slot(unsigned int pages,  in khugepaged_scan_mm_slot()  argument
2750 	VM_BUG_ON(!pages);  in khugepaged_scan_mm_slot()
2812 			if (progress >= pages)  in khugepaged_scan_mm_slot()
2864 	unsigned int pages = khugepaged_pages_to_scan;  in khugepaged_do_scan()  local
2869 	while (progress < pages) {  in khugepaged_do_scan()
2883 			progress += khugepaged_scan_mm_slot(pages - progress,  in khugepaged_do_scan()
2886 			progress = pages;  in khugepaged_do_scan()