5 files changed, 33 insertions, 20 deletions

diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index e886d1332a10..f3db382c2b2d 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -22,6 +22,7 @@
 #include <linux/console.h>
 #include <linux/cpu.h>
 #include <linux/freezer.h>
+#include <asm/suspend.h>
 
 #include "power.h"
 
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index f5fc2d7680f2..33e2e4a819f9 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -321,13 +321,10 @@ static int create_mem_extents(struct list_head *list, gfp_t gfp_mask)
 
         INIT_LIST_HEAD(list);
 
-        for_each_zone(zone) {
+        for_each_populated_zone(zone) {
                 unsigned long zone_start, zone_end;
                 struct mem_extent *ext, *cur, *aux;
 
-                if (!populated_zone(zone))
-                        continue;
-
                 zone_start = zone->zone_start_pfn;
                 zone_end = zone->zone_start_pfn + zone->spanned_pages;
 
@@ -804,8 +801,8 @@ static unsigned int count_free_highmem_pages(void)
         struct zone *zone;
         unsigned int cnt = 0;
 
-        for_each_zone(zone)
-                if (populated_zone(zone) && is_highmem(zone))
+        for_each_populated_zone(zone)
+                if (is_highmem(zone))
                         cnt += zone_page_state(zone, NR_FREE_PAGES);
 
         return cnt;
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index a92c91451559..78c35047586d 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -51,6 +51,7 @@
 #include <linux/highmem.h>
 #include <linux/time.h>
 #include <linux/rbtree.h>
+#include <linux/io.h>
 
 #include "power.h"
 
@@ -229,17 +230,16 @@ int swsusp_shrink_memory(void)
                 size = count_data_pages() + PAGES_FOR_IO + SPARE_PAGES;
                 tmp = size;
                 size += highmem_size;
-                for_each_zone (zone)
-                        if (populated_zone(zone)) {
-                                tmp += snapshot_additional_pages(zone);
-                                if (is_highmem(zone)) {
-                                        highmem_size -=
+                for_each_populated_zone(zone) {
+                        tmp += snapshot_additional_pages(zone);
+                        if (is_highmem(zone)) {
+                                highmem_size -=
                                         zone_page_state(zone, NR_FREE_PAGES);
-                                } else {
-                                        tmp -= zone_page_state(zone, NR_FREE_PAGES);
-                                        tmp += zone->lowmem_reserve[ZONE_NORMAL];
-                                }
+                        } else {
+                                tmp -= zone_page_state(zone, NR_FREE_PAGES);
+                                tmp += zone->lowmem_reserve[ZONE_NORMAL];
                         }
+                }
 
                 if (highmem_size < 0)
                         highmem_size = 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index 196d48babbef..73513f4e19df 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5196,11 +5196,17 @@ void __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
         __wake_up_common(q, mode, 1, 0, NULL);
 }
 
+void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key)
+{
+        __wake_up_common(q, mode, 1, 0, key);
+}
+
 /**
- * __wake_up_sync - wake up threads blocked on a waitqueue.
+ * __wake_up_sync_key - wake up threads blocked on a waitqueue.
  * @q: the waitqueue
  * @mode: which threads
  * @nr_exclusive: how many wake-one or wake-many threads to wake up
+ * @key: opaque value to be passed to wakeup targets
  *
  * The sync wakeup differs that the waker knows that it will schedule
  * away soon, so while the target thread will be woken up, it will not
@@ -5209,8 +5215,8 @@ void __wake_up_locked(wait_queue_head_t *q, unsigned int mode)
  *
  * On UP it can prevent extra preemption.
  */
-void
-__wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
+void __wake_up_sync_key(wait_queue_head_t *q, unsigned int mode,
+                        int nr_exclusive, void *key)
 {
         unsigned long flags;
         int sync = 1;
@@ -5222,9 +5228,18 @@ __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
                 sync = 0;
 
         spin_lock_irqsave(&q->lock, flags);
-        __wake_up_common(q, mode, nr_exclusive, sync, NULL);
+        __wake_up_common(q, mode, nr_exclusive, sync, key);
         spin_unlock_irqrestore(&q->lock, flags);
 }
+EXPORT_SYMBOL_GPL(__wake_up_sync_key);
+
+/*
+ * __wake_up_sync - see __wake_up_sync_key()
+ */
+void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr_exclusive)
+{
+        __wake_up_sync_key(q, mode, nr_exclusive, NULL);
+}
 EXPORT_SYMBOL_GPL(__wake_up_sync);      /* For internal use only */
 
 /**
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c5ef44ff850f..2e490a389dd2 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1010,7 +1010,7 @@ static struct ctl_table vm_table[] = {
                 .data           = &dirty_expire_interval,
                 .maxlen         = sizeof(dirty_expire_interval),
                 .mode           = 0644,
-                .proc_handler   = &proc_dointvec_userhz_jiffies,
+                .proc_handler   = &proc_dointvec,
         },
         {
                 .ctl_name       = VM_NR_PDFLUSH_THREADS,