Merge branch 'hibernate'

* hibernate:
  PM: Fix suspend_console and resume_console to use only one semaphore
  PM: Wait for console in resume
  PM: Fix pm_notifiers during user mode hibernation
  swsusp: clean up shrink_all_zones()
  swsusp: dont fiddle with swappiness
  PM: fix build for CONFIG_PM unset
  PM/hibernate: fix "swap breaks after hibernation failures"
  PM/resume: wait for device probing to finish
  Consolidate driver_probe_done() loops into one place

2 files changed, 14 insertions, 18 deletions

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 7e6304dfafab..312fafe0ab6e 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -635,7 +635,7 @@ int swap_type_of(dev_t device, sector_t offset, struct block_device **bdev_p)
 
                 if (!bdev) {
                         if (bdev_p)
-                                *bdev_p = sis->bdev;
+                                *bdev_p = bdget(sis->bdev->bd_dev);
 
                         spin_unlock(&swap_lock);
                         return i;
@@ -647,7 +647,7 @@ int swap_type_of(dev_t device, sector_t offset, struct block_device **bdev_p)
                                         struct swap_extent, list);
                         if (se->start_block == offset) {
                                 if (bdev_p)
-                                        *bdev_p = sis->bdev;
+                                        *bdev_p = bdget(sis->bdev->bd_dev);
 
                                 spin_unlock(&swap_lock);
                                 bdput(bdev);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9a27c44aa327..6177e3bcd66b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2057,31 +2057,31 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
                                       int pass, struct scan_control *sc)
 {
         struct zone *zone;
-        unsigned long nr_to_scan, ret = 0;
-        enum lru_list l;
+        unsigned long ret = 0;
 
         for_each_zone(zone) {
+                enum lru_list l;
 
                 if (!populated_zone(zone))
                         continue;
-
                 if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY)
                         continue;
 
                 for_each_evictable_lru(l) {
+                        enum zone_stat_item ls = NR_LRU_BASE + l;
+                        unsigned long lru_pages = zone_page_state(zone, ls);
+
                         /* For pass = 0, we don't shrink the active list */
-                        if (pass == 0 &&
-                                (l == LRU_ACTIVE || l == LRU_ACTIVE_FILE))
+                        if (pass == 0 && (l == LRU_ACTIVE_ANON ||
+                                                l == LRU_ACTIVE_FILE))
                                 continue;
 
-                        zone->lru[l].nr_scan +=
-                                (zone_page_state(zone, NR_LRU_BASE + l)
-                                                                >> prio) + 1;
+                        zone->lru[l].nr_scan += (lru_pages >> prio) + 1;
                         if (zone->lru[l].nr_scan >= nr_pages || pass > 3) {
+                                unsigned long nr_to_scan;
+
                                 zone->lru[l].nr_scan = 0;
-                                nr_to_scan = min(nr_pages,
-                                        zone_page_state(zone,
-                                                        NR_LRU_BASE + l));
+                                nr_to_scan = min(nr_pages, lru_pages);
                                 ret += shrink_list(l, nr_to_scan, zone,
                                                                 sc, prio);
                                 if (ret >= nr_pages)
@@ -2089,7 +2089,6 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio,
                         }
                 }
         }
-
         return ret;
 }
 
@@ -2112,7 +2111,6 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
                 .may_swap = 0,
                 .swap_cluster_max = nr_pages,
                 .may_writepage = 1,
-                .swappiness = vm_swappiness,
                 .isolate_pages = isolate_pages_global,
         };
 
@@ -2146,10 +2144,8 @@ unsigned long shrink_all_memory(unsigned long nr_pages)
                 int prio;
 
                 /* Force reclaiming mapped pages in the passes #3 and #4 */
-                if (pass > 2) {
+                if (pass > 2)
                         sc.may_swap = 1;
-                        sc.swappiness = 100;
-                }
 
                 for (prio = DEF_PRIORITY; prio >= 0; prio--) {
                         unsigned long nr_to_scan = nr_pages - ret;