1 files changed, 0 insertions, 55 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 40fa763c5074..8d306203e555 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2365,61 +2365,6 @@ void drain_all_pages(struct zone *zone)
 	__drain_all_pages(zone, false);
 }
 
-#ifdef CONFIG_HIBERNATION
-
-/*
- * Touch the watchdog for every WD_PAGE_COUNT pages.
- */
-#define WD_PAGE_COUNT	(128*1024)
-
-void mark_free_pages(struct zone *zone)
-{
-	unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT;
-	unsigned long flags;
-	unsigned int order, t;
-	struct page *page;
-
-	if (zone_is_empty(zone))
-		return;
-
-	spin_lock_irqsave(&zone->lock, flags);
-
-	max_zone_pfn = zone_end_pfn(zone);
-	for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++)
-		if (pfn_valid(pfn)) {
-			page = pfn_to_page(pfn);
-
-			if (!--page_count) {
-				touch_nmi_watchdog();
-				page_count = WD_PAGE_COUNT;
-			}
-
-			if (page_zone(page) != zone)
-				continue;
-
-			if (!swsusp_page_is_forbidden(page))
-				swsusp_unset_page_free(page);
-		}
-
-	for_each_migratetype_order(order, t) {
-		list_for_each_entry(page,
-				&zone->free_area[order].free_list[t], buddy_list) {
-			unsigned long i;
-
-			pfn = page_to_pfn(page);
-			for (i = 0; i < (1UL << order); i++) {
-				if (!--page_count) {
-					touch_nmi_watchdog();
-					page_count = WD_PAGE_COUNT;
-				}
-				swsusp_set_page_free(pfn_to_page(pfn + i));
-			}
-		}
-	}
-	spin_unlock_irqrestore(&zone->lock, flags);
-}
-#endif /* CONFIG_PM */
-
 static bool free_unref_page_prepare(struct page *page, unsigned long pfn,
 							unsigned int order)
 {