diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 0071469ecbf1..259a4d5a4e8f 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -355,8 +355,9 @@ static struct sysrq_key_op sysrq_term_op = {
 
 static void moom_callback(struct work_struct *ignored)
 {
-	out_of_memory(node_zonelist(first_memory_node, GFP_KERNEL), GFP_KERNEL,
-		      0, NULL, true);
+	if (!out_of_memory(node_zonelist(first_memory_node, GFP_KERNEL),
+			   GFP_KERNEL, 0, NULL, true))
+		pr_info("OOM request ignored because killer is disabled\n");
 }
 
 static DECLARE_WORK(moom_work, moom_callback);
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 1315fcbb9527..03b5c395e514 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -72,22 +72,14 @@ extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task,
 		unsigned long totalpages, const nodemask_t *nodemask,
 		bool force_kill);
 
-extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
+extern bool out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
 		int order, nodemask_t *mask, bool force_kill);
 extern int register_oom_notifier(struct notifier_block *nb);
 extern int unregister_oom_notifier(struct notifier_block *nb);
 
 extern bool oom_killer_disabled;
-
-static inline void oom_killer_disable(void)
-{
-	oom_killer_disabled = true;
-}
-
-static inline void oom_killer_enable(void)
-{
-	oom_killer_disabled = false;
-}
+extern bool oom_killer_disable(void);
+extern void oom_killer_enable(void);
 
 extern struct task_struct *find_lock_task_mm(struct task_struct *p);
 
diff --git a/kernel/exit.c b/kernel/exit.c
index ee5176e2a1ba..272915fc603f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -459,7 +459,8 @@ static void exit_mm(struct task_struct *tsk)
 	task_unlock(tsk);
 	mm_update_next_owner(mm);
 	mmput(mm);
-	unmark_tsk_oom_victim();
+	if (test_thread_flag(TIF_MEMDIE))
+		unmark_tsk_oom_victim();
 }
 
 /*
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 3ac45f192e9f..c3da8b297b10 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -108,30 +108,6 @@ static int try_to_freeze_tasks(bool user_only)
 	return todo ? -EBUSY : 0;
 }
 
-static bool __check_frozen_processes(void)
-{
-	struct task_struct *g, *p;
-
-	for_each_process_thread(g, p)
-		if (p != current && !freezer_should_skip(p) && !frozen(p))
-			return false;
-
-	return true;
-}
-
-/*
- * Returns true if all freezable tasks (except for current) are frozen already
- */
-static bool check_frozen_processes(void)
-{
-	bool ret;
-
-	read_lock(&tasklist_lock);
-	ret = __check_frozen_processes();
-	read_unlock(&tasklist_lock);
-	return ret;
-}
-
 /**
  * freeze_processes - Signal user space processes to enter the refrigerator.
  * The current thread will not be frozen.  The same process that calls
@@ -142,7 +118,6 @@ static bool check_frozen_processes(void)
 int freeze_processes(void)
 {
 	int error;
-	int oom_kills_saved;
 
 	error = __usermodehelper_disable(UMH_FREEZING);
 	if (error)
@@ -157,25 +132,10 @@ int freeze_processes(void)
 	pm_wakeup_clear();
 	pr_info("Freezing user space processes ... ");
 	pm_freezing = true;
-	oom_kills_saved = oom_kills_count();
 	error = try_to_freeze_tasks(true);
 	if (!error) {
 		__usermodehelper_set_disable_depth(UMH_DISABLED);
-		oom_killer_disable();
-
-		/*
-		 * There might have been an OOM kill while we were
-		 * freezing tasks and the killed task might be still
-		 * on the way out so we have to double check for race.
-		 */
-		if (oom_kills_count() != oom_kills_saved &&
-		    !check_frozen_processes()) {
-			__usermodehelper_set_disable_depth(UMH_ENABLED);
-			pr_cont("OOM in progress.");
-			error = -EBUSY;
-		} else {
-			pr_cont("done.");
-		}
+		pr_cont("done.");
 	}
 	pr_cont("\n");
 	BUG_ON(in_atomic());
@@ -197,8 +157,17 @@ int freeze_kernel_threads(void)
 {
 	int error;
 
-	pr_info("Freezing remaining freezable tasks ... ");
+	/*
+	 * Now that the whole userspace is frozen we need to disbale
+	 * the OOM killer to disallow any further interference with
+	 * killable tasks.
+	 */
+	if (!oom_killer_disable()) {
+		error = -EBUSY;
+		goto out;
+	}
 
+	pr_info("Freezing remaining freezable tasks ... ");
 	pm_nosig_freezing = true;
 	error = try_to_freeze_tasks(false);
 	if (!error)
@@ -207,6 +176,7 @@ int freeze_kernel_threads(void)
 	pr_cont("\n");
 	BUG_ON(in_atomic());
 
+out:
 	if (error)
 		thaw_kernel_threads();
 	return error;
@@ -223,8 +193,6 @@ void thaw_processes(void)
 	pm_freezing = false;
 	pm_nosig_freezing = false;
 
-	oom_killer_enable();
-
 	pr_info("Restarting tasks ... ");
 
 	__usermodehelper_set_disable_depth(UMH_FREEZING);
@@ -252,6 +220,8 @@ void thaw_kernel_threads(void)
 {
 	struct task_struct *g, *p;
 
+	oom_killer_enable();
+
 	pm_nosig_freezing = false;
 	pr_info("Restarting kernel threads ... ");
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 302e0fc6d121..34a196eb45cd 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2155,7 +2155,7 @@ bool mem_cgroup_oom_synchronize(bool handle)
 	if (!memcg)
 		return false;
 
-	if (!handle)
+	if (!handle || oom_killer_disabled)
 		goto cleanup;
 
 	owait.memcg = memcg;
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 8874058d62db..facc4587daf3 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -405,37 +405,91 @@ static void dump_header(struct task_struct *p, gfp_t gfp_mask, int order,
 }
 
 /*
- * Number of OOM killer invocations (including memcg OOM killer).
- * Primarily used by PM freezer to check for potential races with
- * OOM killed frozen task.
+ * Number of OOM victims in flight
  */
-static atomic_t oom_kills = ATOMIC_INIT(0);
+static atomic_t oom_victims = ATOMIC_INIT(0);
+static DECLARE_WAIT_QUEUE_HEAD(oom_victims_wait);
 
-int oom_kills_count(void)
-{
-	return atomic_read(&oom_kills);
-}
-
-void note_oom_kill(void)
-{
-	atomic_inc(&oom_kills);
-}
+bool oom_killer_disabled __read_mostly;
+static DECLARE_RWSEM(oom_sem);
 
 /**
  * Marks the given taks as OOM victim.
  * @tsk: task to mark
+ *
+ * Has to be called with oom_sem taken for read and never after
+ * oom has been disabled already.
  */
 void mark_tsk_oom_victim(struct task_struct *tsk)
 {
-	set_tsk_thread_flag(tsk, TIF_MEMDIE);
+	WARN_ON(oom_killer_disabled);
+	/* OOM killer might race with memcg OOM */
+	if (test_and_set_tsk_thread_flag(tsk, TIF_MEMDIE))
+		return;
+	atomic_inc(&oom_victims);
 }
 
 /**
  * Unmarks the current task as OOM victim.
+ *
+ * Wakes up all waiters in oom_killer_disable()
  */
 void unmark_tsk_oom_victim(void)
 {
-	clear_thread_flag(TIF_MEMDIE);
+	if (!test_and_clear_thread_flag(TIF_MEMDIE))
+		return;
+
+	down_read(&oom_sem);
+	/*
+	 * There is no need to signal the lasst oom_victim if there
+	 * is nobody who cares.
+	 */
+	if (!atomic_dec_return(&oom_victims) && oom_killer_disabled)
+		wake_up_all(&oom_victims_wait);
+	up_read(&oom_sem);
+}
+
+/**
+ * oom_killer_disable - disable OOM killer
+ *
+ * Forces all page allocations to fail rather than trigger OOM killer.
+ * Will block and wait until all OOM victims are killed.
+ *
+ * The function cannot be called when there are runnable user tasks because
+ * the userspace would see unexpected allocation failures as a result. Any
+ * new usage of this function should be consulted with MM people.
+ *
+ * Returns true if successful and false if the OOM killer cannot be
+ * disabled.
+ */
+bool oom_killer_disable(void)
+{
+	/*
+	 * Make sure to not race with an ongoing OOM killer
+	 * and that the current is not the victim.
+	 */
+	down_write(&oom_sem);
+	if (test_thread_flag(TIF_MEMDIE)) {
+		up_write(&oom_sem);
+		return false;
+	}
+
+	oom_killer_disabled = true;
+	up_write(&oom_sem);
+
+	wait_event(oom_victims_wait, atomic_read(&oom_victims));
+
+	return true;
+}
+
+/**
+ * oom_killer_enable - enable OOM killer
+ */
+void oom_killer_enable(void)
+{
+	down_write(&oom_sem);
+	oom_killer_disabled = false;
+	up_write(&oom_sem);
 }
 
 #define K(x) ((x) << (PAGE_SHIFT-10))
@@ -635,7 +689,7 @@ void oom_zonelist_unlock(struct zonelist *zonelist, gfp_t gfp_mask)
 }
 
 /**
- * out_of_memory - kill the "best" process when we run out of memory
+ * __out_of_memory - kill the "best" process when we run out of memory
  * @zonelist: zonelist pointer
  * @gfp_mask: memory allocation flags
  * @order: amount of memory being requested as a power of 2
@@ -647,7 +701,7 @@ void oom_zonelist_unlock(struct zonelist *zonelist, gfp_t gfp_mask)
  * OR try to be smart about which process to kill. Note that we
  * don't have to be perfect here, we just have to be good.
  */
-void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
+static void __out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
 		int order, nodemask_t *nodemask, bool force_kill)
 {
 	const nodemask_t *mpol_mask;
@@ -712,6 +766,32 @@ out:
 		schedule_timeout_killable(1);
 }
 
+/**
+ * out_of_memory -  tries to invoke OOM killer.
+ * @zonelist: zonelist pointer
+ * @gfp_mask: memory allocation flags
+ * @order: amount of memory being requested as a power of 2
+ * @nodemask: nodemask passed to page allocator
+ * @force_kill: true if a task must be killed, even if others are exiting
+ *
+ * invokes __out_of_memory if the OOM is not disabled by oom_killer_disable()
+ * when it returns false. Otherwise returns true.
+ */
+bool out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
+		int order, nodemask_t *nodemask, bool force_kill)
+{
+	bool ret = false;
+
+	down_read(&oom_sem);
+	if (!oom_killer_disabled) {
+		__out_of_memory(zonelist, gfp_mask, order, nodemask, force_kill);
+		ret = true;
+	}
+	up_read(&oom_sem);
+
+	return ret;
+}
+
 /*
  * The pagefault handler calls here because it is out of memory, so kill a
  * memory-hogging task.  If any populated zone has ZONE_OOM_LOCKED set, a
@@ -721,12 +801,25 @@ void pagefault_out_of_memory(void)
 {
 	struct zonelist *zonelist;
 
+	down_read(&oom_sem);
 	if (mem_cgroup_oom_synchronize(true))
-		return;
+		goto unlock;
 
 	zonelist = node_zonelist(first_memory_node, GFP_KERNEL);
 	if (oom_zonelist_trylock(zonelist, GFP_KERNEL)) {
-		out_of_memory(NULL, 0, 0, NULL, false);
+		if (!oom_killer_disabled)
+			__out_of_memory(NULL, 0, 0, NULL, false);
+		else
+			/*
+			 * There shouldn't be any user tasks runable while the
+			 * OOM killer is disabled so the current task has to
+			 * be a racing OOM victim for which oom_killer_disable()
+			 * is waiting for.
+			 */
+			WARN_ON(test_thread_flag(TIF_MEMDIE));
+
 		oom_zonelist_unlock(zonelist, GFP_KERNEL);
 	}
+unlock:
+	up_read(&oom_sem);
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 721780ce1fd3..5b87346837dd 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -242,8 +242,6 @@ void set_pageblock_migratetype(struct page *page, int migratetype)
 					PB_migrate, PB_migrate_end);
 }
 
-bool oom_killer_disabled __read_mostly;
-
 #ifdef CONFIG_DEBUG_VM
 static int page_outside_zone_boundaries(struct zone *zone, struct page *page)
 {
@@ -2247,9 +2245,6 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
 
 	*did_some_progress = 0;
 
-	if (oom_killer_disabled)
-		return NULL;
-
 	/*
 	 * Acquire the per-zone oom lock for each zone.  If that
 	 * fails, somebody else is making progress for us.
@@ -2261,14 +2256,6 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
 	}
 
 	/*
-	 * PM-freezer should be notified that there might be an OOM killer on
-	 * its way to kill and wake somebody up. This is too early and we might
-	 * end up not killing anything but false positives are acceptable.
-	 * See freeze_processes.
-	 */
-	note_oom_kill();
-
-	/*
 	 * Go through the zonelist yet one more time, keep very high watermark
 	 * here, this is only to catch a parallel oom killing, we must fail if
 	 * we're still under heavy pressure.
@@ -2304,8 +2291,8 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
 			goto out;
 	}
 	/* Exhausted what can be done so it's blamo time */
-	out_of_memory(zonelist, gfp_mask, order, nodemask, false);
-	*did_some_progress = 1;
+	if (out_of_memory(zonelist, gfp_mask, order, nodemask, false))
+		*did_some_progress = 1;
 out:
 	oom_zonelist_unlock(zonelist, gfp_mask);
 	return page;
