diff --git a/[refs] b/[refs]
index fe6e0628be62..402aa3b50d92 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fffaee365fded09f9ebf2db19066065fa54323c3
+refs/heads/master: d4e30ef05c9e0fad9782de34f0acd039e238fd43
diff --git a/trunk/arch/blackfin/kernel/process.c b/trunk/arch/blackfin/kernel/process.c
index 62bcea7dcc6d..2e3994b20169 100644
--- a/trunk/arch/blackfin/kernel/process.c
+++ b/trunk/arch/blackfin/kernel/process.c
@@ -173,7 +173,7 @@ asmlinkage int bfin_clone(struct pt_regs *regs)
 	unsigned long newsp;
 
 #ifdef __ARCH_SYNC_CORE_DCACHE
-	if (current->nr_cpus_allowed == num_possible_cpus())
+	if (current->rt.nr_cpus_allowed == num_possible_cpus())
 		set_cpus_allowed_ptr(current, cpumask_of(smp_processor_id()));
 #endif
 
diff --git a/trunk/arch/x86/kernel/smpboot.c b/trunk/arch/x86/kernel/smpboot.c
index fd019d78b1f4..f56f96da77f5 100644
--- a/trunk/arch/x86/kernel/smpboot.c
+++ b/trunk/arch/x86/kernel/smpboot.c
@@ -410,7 +410,15 @@ void __cpuinit set_cpu_sibling_map(int cpu)
 /* maps the cpu to the sched domain representing multi-core */
 const struct cpumask *cpu_coregroup_mask(int cpu)
 {
-	return cpu_llc_shared_mask(cpu);
+	struct cpuinfo_x86 *c = &cpu_data(cpu);
+	/*
+	 * For perf, we return last level cache shared map.
+	 * And for power savings, we return cpu_core_map
+	 */
+	if (!(cpu_has(c, X86_FEATURE_AMD_DCM)))
+		return cpu_core_mask(cpu);
+	else
+		return cpu_llc_shared_mask(cpu);
 }
 
 static void impress_friends(void)
diff --git a/trunk/drivers/gpu/drm/radeon/r600.c b/trunk/drivers/gpu/drm/radeon/r600.c
index 45cfcea63507..f30dc95f83b1 100644
--- a/trunk/drivers/gpu/drm/radeon/r600.c
+++ b/trunk/drivers/gpu/drm/radeon/r600.c
@@ -2426,6 +2426,12 @@ int r600_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
+	r = r600_audio_init(rdev);
+	if (r) {
+		DRM_ERROR("radeon: audio init failed\n");
+		return r;
+	}
+
 	return 0;
 }
 
@@ -2462,12 +2468,6 @@ int r600_resume(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r) {
-		DRM_ERROR("radeon: audio resume failed\n");
-		return r;
-	}
-
 	return r;
 }
 
@@ -2577,9 +2577,6 @@ int r600_init(struct radeon_device *rdev)
 		rdev->accel_working = false;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r)
-		return r; /* TODO error handling */
 	return 0;
 }
 
diff --git a/trunk/drivers/gpu/drm/radeon/rs600.c b/trunk/drivers/gpu/drm/radeon/rs600.c
index 25f9eef12c42..e95c5e61d4e2 100644
--- a/trunk/drivers/gpu/drm/radeon/rs600.c
+++ b/trunk/drivers/gpu/drm/radeon/rs600.c
@@ -908,12 +908,6 @@ static int rs600_startup(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r) {
-		dev_err(rdev->dev, "failed initializing audio\n");
-		return r;
-	}
-
 	r = radeon_ib_pool_start(rdev);
 	if (r)
 		return r;
@@ -922,6 +916,12 @@ static int rs600_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
+	r = r600_audio_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing audio\n");
+		return r;
+	}
+
 	return 0;
 }
 
diff --git a/trunk/drivers/gpu/drm/radeon/rs690.c b/trunk/drivers/gpu/drm/radeon/rs690.c
index 3277ddecfe9f..159b6a43fda0 100644
--- a/trunk/drivers/gpu/drm/radeon/rs690.c
+++ b/trunk/drivers/gpu/drm/radeon/rs690.c
@@ -637,12 +637,6 @@ static int rs690_startup(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r) {
-		dev_err(rdev->dev, "failed initializing audio\n");
-		return r;
-	}
-
 	r = radeon_ib_pool_start(rdev);
 	if (r)
 		return r;
@@ -651,6 +645,12 @@ static int rs690_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
+	r = r600_audio_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "failed initializing audio\n");
+		return r;
+	}
+
 	return 0;
 }
 
diff --git a/trunk/drivers/gpu/drm/radeon/rv770.c b/trunk/drivers/gpu/drm/radeon/rv770.c
index 04ddc365a908..4ad0281fdc37 100644
--- a/trunk/drivers/gpu/drm/radeon/rv770.c
+++ b/trunk/drivers/gpu/drm/radeon/rv770.c
@@ -956,6 +956,12 @@ static int rv770_startup(struct radeon_device *rdev)
 	if (r)
 		return r;
 
+	r = r600_audio_init(rdev);
+	if (r) {
+		DRM_ERROR("radeon: audio init failed\n");
+		return r;
+	}
+
 	return 0;
 }
 
@@ -978,12 +984,6 @@ int rv770_resume(struct radeon_device *rdev)
 		return r;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r) {
-		dev_err(rdev->dev, "radeon: audio init failed\n");
-		return r;
-	}
-
 	return r;
 
 }
@@ -1092,12 +1092,6 @@ int rv770_init(struct radeon_device *rdev)
 		rdev->accel_working = false;
 	}
 
-	r = r600_audio_init(rdev);
-	if (r) {
-		dev_err(rdev->dev, "radeon: audio init failed\n");
-		return r;
-	}
-
 	return 0;
 }
 
diff --git a/trunk/fs/fuse/control.c b/trunk/fs/fuse/control.c
index 03ff5b1eba93..42593c587d48 100644
--- a/trunk/fs/fuse/control.c
+++ b/trunk/fs/fuse/control.c
@@ -75,13 +75,19 @@ static ssize_t fuse_conn_limit_write(struct file *file, const char __user *buf,
 				     unsigned global_limit)
 {
 	unsigned long t;
+	char tmp[32];
 	unsigned limit = (1 << 16) - 1;
 	int err;
 
-	if (*ppos)
+	if (*ppos || count >= sizeof(tmp) - 1)
+		return -EINVAL;
+
+	if (copy_from_user(tmp, buf, count))
 		return -EINVAL;
 
-	err = kstrtoul_from_user(buf, count, 0, &t);
+	tmp[count] = '\0';
+
+	err = strict_strtoul(tmp, 0, &t);
 	if (err)
 		return err;
 
diff --git a/trunk/fs/fuse/dir.c b/trunk/fs/fuse/dir.c
index 334e0b18a014..df5ac048dc74 100644
--- a/trunk/fs/fuse/dir.c
+++ b/trunk/fs/fuse/dir.c
@@ -775,8 +775,6 @@ static int fuse_link(struct dentry *entry, struct inode *newdir,
 static void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
 			  struct kstat *stat)
 {
-	unsigned int blkbits;
-
 	stat->dev = inode->i_sb->s_dev;
 	stat->ino = attr->ino;
 	stat->mode = (inode->i_mode & S_IFMT) | (attr->mode & 07777);
@@ -792,13 +790,7 @@ static void fuse_fillattr(struct inode *inode, struct fuse_attr *attr,
 	stat->ctime.tv_nsec = attr->ctimensec;
 	stat->size = attr->size;
 	stat->blocks = attr->blocks;
-
-	if (attr->blksize != 0)
-		blkbits = ilog2(attr->blksize);
-	else
-		blkbits = inode->i_sb->s_blocksize_bits;
-
-	stat->blksize = 1 << blkbits;
+	stat->blksize = (1 << inode->i_blkbits);
 }
 
 static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
@@ -871,7 +863,6 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat,
 		if (stat) {
 			generic_fillattr(inode, stat);
 			stat->mode = fi->orig_i_mode;
-			stat->ino = fi->orig_ino;
 		}
 	}
 
diff --git a/trunk/fs/fuse/file.c b/trunk/fs/fuse/file.c
index b321a688cde7..9562109d3a87 100644
--- a/trunk/fs/fuse/file.c
+++ b/trunk/fs/fuse/file.c
@@ -2173,44 +2173,6 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov,
 	return ret;
 }
 
-long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
-			    loff_t length)
-{
-	struct fuse_file *ff = file->private_data;
-	struct fuse_conn *fc = ff->fc;
-	struct fuse_req *req;
-	struct fuse_fallocate_in inarg = {
-		.fh = ff->fh,
-		.offset = offset,
-		.length = length,
-		.mode = mode
-	};
-	int err;
-
-	if (fc->no_fallocate)
-		return -EOPNOTSUPP;
-
-	req = fuse_get_req(fc);
-	if (IS_ERR(req))
-		return PTR_ERR(req);
-
-	req->in.h.opcode = FUSE_FALLOCATE;
-	req->in.h.nodeid = ff->nodeid;
-	req->in.numargs = 1;
-	req->in.args[0].size = sizeof(inarg);
-	req->in.args[0].value = &inarg;
-	fuse_request_send(fc, req);
-	err = req->out.h.error;
-	if (err == -ENOSYS) {
-		fc->no_fallocate = 1;
-		err = -EOPNOTSUPP;
-	}
-	fuse_put_request(fc, req);
-
-	return err;
-}
-EXPORT_SYMBOL_GPL(fuse_file_fallocate);
-
 static const struct file_operations fuse_file_operations = {
 	.llseek		= fuse_file_llseek,
 	.read		= do_sync_read,
@@ -2228,7 +2190,6 @@ static const struct file_operations fuse_file_operations = {
 	.unlocked_ioctl	= fuse_file_ioctl,
 	.compat_ioctl	= fuse_file_compat_ioctl,
 	.poll		= fuse_file_poll,
-	.fallocate	= fuse_file_fallocate,
 };
 
 static const struct file_operations fuse_direct_io_file_operations = {
@@ -2245,7 +2206,6 @@ static const struct file_operations fuse_direct_io_file_operations = {
 	.unlocked_ioctl	= fuse_file_ioctl,
 	.compat_ioctl	= fuse_file_compat_ioctl,
 	.poll		= fuse_file_poll,
-	.fallocate	= fuse_file_fallocate,
 	/* no splice_read */
 };
 
diff --git a/trunk/fs/fuse/fuse_i.h b/trunk/fs/fuse/fuse_i.h
index 771fb6322c07..572cefc78012 100644
--- a/trunk/fs/fuse/fuse_i.h
+++ b/trunk/fs/fuse/fuse_i.h
@@ -82,9 +82,6 @@ struct fuse_inode {
 	    preserve the original mode */
 	umode_t orig_i_mode;
 
-	/** 64 bit inode number */
-	u64 orig_ino;
-
 	/** Version of last attribute change */
 	u64 attr_version;
 
@@ -481,9 +478,6 @@ struct fuse_conn {
 	/** Are BSD file locking primitives not implemented by fs? */
 	unsigned no_flock:1;
 
-	/** Is fallocate not implemented by fs? */
-	unsigned no_fallocate:1;
-
 	/** The number of requests waiting for completion */
 	atomic_t num_waiting;
 
diff --git a/trunk/fs/fuse/inode.c b/trunk/fs/fuse/inode.c
index 1cd61652018c..42678a33b7bb 100644
--- a/trunk/fs/fuse/inode.c
+++ b/trunk/fs/fuse/inode.c
@@ -91,7 +91,6 @@ static struct inode *fuse_alloc_inode(struct super_block *sb)
 	fi->nlookup = 0;
 	fi->attr_version = 0;
 	fi->writectr = 0;
-	fi->orig_ino = 0;
 	INIT_LIST_HEAD(&fi->write_files);
 	INIT_LIST_HEAD(&fi->queued_writes);
 	INIT_LIST_HEAD(&fi->writepages);
@@ -140,18 +139,6 @@ static int fuse_remount_fs(struct super_block *sb, int *flags, char *data)
 	return 0;
 }
 
-/*
- * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
- * so that it will fit.
- */
-static ino_t fuse_squash_ino(u64 ino64)
-{
-	ino_t ino = (ino_t) ino64;
-	if (sizeof(ino_t) < sizeof(u64))
-		ino ^= ino64 >> (sizeof(u64) - sizeof(ino_t)) * 8;
-	return ino;
-}
-
 void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
 				   u64 attr_valid)
 {
@@ -161,7 +148,7 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
 	fi->attr_version = ++fc->attr_version;
 	fi->i_time = attr_valid;
 
-	inode->i_ino     = fuse_squash_ino(attr->ino);
+	inode->i_ino     = attr->ino;
 	inode->i_mode    = (inode->i_mode & S_IFMT) | (attr->mode & 07777);
 	set_nlink(inode, attr->nlink);
 	inode->i_uid     = attr->uid;
@@ -187,8 +174,6 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
 	fi->orig_i_mode = inode->i_mode;
 	if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS))
 		inode->i_mode &= ~S_ISVTX;
-
-	fi->orig_ino = attr->ino;
 }
 
 void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr,
diff --git a/trunk/include/linux/fuse.h b/trunk/include/linux/fuse.h
index 9303348965fb..8f2ab8fef929 100644
--- a/trunk/include/linux/fuse.h
+++ b/trunk/include/linux/fuse.h
@@ -54,9 +54,6 @@
  * 7.18
  *  - add FUSE_IOCTL_DIR flag
  *  - add FUSE_NOTIFY_DELETE
- *
- * 7.19
- *  - add FUSE_FALLOCATE
  */
 
 #ifndef _LINUX_FUSE_H
@@ -88,7 +85,7 @@
 #define FUSE_KERNEL_VERSION 7
 
 /** Minor version number of this interface */
-#define FUSE_KERNEL_MINOR_VERSION 19
+#define FUSE_KERNEL_MINOR_VERSION 18
 
 /** The node ID of the root inode */
 #define FUSE_ROOT_ID 1
@@ -281,7 +278,6 @@ enum fuse_opcode {
 	FUSE_POLL          = 40,
 	FUSE_NOTIFY_REPLY  = 41,
 	FUSE_BATCH_FORGET  = 42,
-	FUSE_FALLOCATE     = 43,
 
 	/* CUSE specific operations */
 	CUSE_INIT          = 4096,
@@ -575,14 +571,6 @@ struct fuse_notify_poll_wakeup_out {
 	__u64	kh;
 };
 
-struct fuse_fallocate_in {
-	__u64	fh;
-	__u64	offset;
-	__u64	length;
-	__u32	mode;
-	__u32	padding;
-};
-
 struct fuse_in_header {
 	__u32	len;
 	__u32	opcode;
diff --git a/trunk/include/linux/init_task.h b/trunk/include/linux/init_task.h
index 9e65eff6af3b..e4baff5f7ff4 100644
--- a/trunk/include/linux/init_task.h
+++ b/trunk/include/linux/init_task.h
@@ -149,7 +149,6 @@ extern struct cred init_cred;
 	.normal_prio	= MAX_PRIO-20,					\
 	.policy		= SCHED_NORMAL,					\
 	.cpus_allowed	= CPU_MASK_ALL,					\
-	.nr_cpus_allowed= NR_CPUS,					\
 	.mm		= NULL,						\
 	.active_mm	= &init_mm,					\
 	.se		= {						\
@@ -158,6 +157,7 @@ extern struct cred init_cred;
 	.rt		= {						\
 		.run_list	= LIST_HEAD_INIT(tsk.rt.run_list),	\
 		.time_slice	= RR_TIMESLICE,				\
+		.nr_cpus_allowed = NR_CPUS,				\
 	},								\
 	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\
 	INIT_PUSHABLE_TASKS(tsk)					\
diff --git a/trunk/include/linux/radix-tree.h b/trunk/include/linux/radix-tree.h
index ffc444c38b0a..0d04cd69ab9b 100644
--- a/trunk/include/linux/radix-tree.h
+++ b/trunk/include/linux/radix-tree.h
@@ -368,11 +368,8 @@ radix_tree_next_slot(void **slot, struct radix_tree_iter *iter, unsigned flags)
 			iter->index++;
 			if (likely(*slot))
 				return slot;
-			if (flags & RADIX_TREE_ITER_CONTIG) {
-				/* forbid switching to the next chunk */
-				iter->next_index = 0;
+			if (flags & RADIX_TREE_ITER_CONTIG)
 				break;
-			}
 		}
 	}
 	return NULL;
diff --git a/trunk/include/linux/sched.h b/trunk/include/linux/sched.h
index 6029d8c54476..f34437e835a7 100644
--- a/trunk/include/linux/sched.h
+++ b/trunk/include/linux/sched.h
@@ -145,7 +145,6 @@ extern unsigned long this_cpu_load(void);
 
 
 extern void calc_global_load(unsigned long ticks);
-extern void update_cpu_load_nohz(void);
 
 extern unsigned long get_parent_ip(unsigned long addr);
 
@@ -1188,6 +1187,7 @@ struct sched_rt_entity {
 	struct list_head run_list;
 	unsigned long timeout;
 	unsigned int time_slice;
+	int nr_cpus_allowed;
 
 	struct sched_rt_entity *back;
 #ifdef CONFIG_RT_GROUP_SCHED
@@ -1252,7 +1252,6 @@ struct task_struct {
 #endif
 
 	unsigned int policy;
-	int nr_cpus_allowed;
 	cpumask_t cpus_allowed;
 
 #ifdef CONFIG_PREEMPT_RCU
diff --git a/trunk/kernel/sched/core.c b/trunk/kernel/sched/core.c
index c46958e26121..39eb6011bc38 100644
--- a/trunk/kernel/sched/core.c
+++ b/trunk/kernel/sched/core.c
@@ -142,8 +142,9 @@ const_debug unsigned int sysctl_sched_features =
 #define SCHED_FEAT(name, enabled)	\
 	#name ,
 
-static const char * const sched_feat_names[] = {
+static __read_mostly char *sched_feat_names[] = {
 #include "features.h"
+	NULL
 };
 
 #undef SCHED_FEAT
@@ -2516,32 +2517,25 @@ static void __update_cpu_load(struct rq *this_rq, unsigned long this_load,
 	sched_avg_update(this_rq);
 }
 
-#ifdef CONFIG_NO_HZ
-/*
- * There is no sane way to deal with nohz on smp when using jiffies because the
- * cpu doing the jiffies update might drift wrt the cpu doing the jiffy reading
- * causing off-by-one errors in observed deltas; {0,2} instead of {1,1}.
- *
- * Therefore we cannot use the delta approach from the regular tick since that
- * would seriously skew the load calculation. However we'll make do for those
- * updates happening while idle (nohz_idle_balance) or coming out of idle
- * (tick_nohz_idle_exit).
- *
- * This means we might still be one tick off for nohz periods.
- */
-
 /*
  * Called from nohz_idle_balance() to update the load ratings before doing the
  * idle balance.
  */
 void update_idle_cpu_load(struct rq *this_rq)
 {
-	unsigned long curr_jiffies = ACCESS_ONCE(jiffies);
+	unsigned long curr_jiffies = jiffies;
 	unsigned long load = this_rq->load.weight;
 	unsigned long pending_updates;
 
 	/*
-	 * bail if there's load or we're actually up-to-date.
+	 * Bloody broken means of dealing with nohz, but better than nothing..
+	 * jiffies is updated by one cpu, another cpu can drift wrt the jiffy
+	 * update and see 0 difference the one time and 2 the next, even though
+	 * we ticked at roughtly the same rate.
+	 *
+	 * Hence we only use this from nohz_idle_balance() and skip this
+	 * nonsense when called from the scheduler_tick() since that's
+	 * guaranteed a stable rate.
 	 */
 	if (load || curr_jiffies == this_rq->last_load_update_tick)
 		return;
@@ -2552,39 +2546,13 @@ void update_idle_cpu_load(struct rq *this_rq)
 	__update_cpu_load(this_rq, load, pending_updates);
 }
 
-/*
- * Called from tick_nohz_idle_exit() -- try and fix up the ticks we missed.
- */
-void update_cpu_load_nohz(void)
-{
-	struct rq *this_rq = this_rq();
-	unsigned long curr_jiffies = ACCESS_ONCE(jiffies);
-	unsigned long pending_updates;
-
-	if (curr_jiffies == this_rq->last_load_update_tick)
-		return;
-
-	raw_spin_lock(&this_rq->lock);
-	pending_updates = curr_jiffies - this_rq->last_load_update_tick;
-	if (pending_updates) {
-		this_rq->last_load_update_tick = curr_jiffies;
-		/*
-		 * We were idle, this means load 0, the current load might be
-		 * !0 due to remote wakeups and the sort.
-		 */
-		__update_cpu_load(this_rq, 0, pending_updates);
-	}
-	raw_spin_unlock(&this_rq->lock);
-}
-#endif /* CONFIG_NO_HZ */
-
 /*
  * Called from scheduler_tick()
  */
 static void update_cpu_load_active(struct rq *this_rq)
 {
 	/*
-	 * See the mess around update_idle_cpu_load() / update_cpu_load_nohz().
+	 * See the mess in update_idle_cpu_load().
 	 */
 	this_rq->last_load_update_tick = jiffies;
 	__update_cpu_load(this_rq, this_rq->load.weight, 1);
@@ -5014,7 +4982,7 @@ void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
 		p->sched_class->set_cpus_allowed(p, new_mask);
 
 	cpumask_copy(&p->cpus_allowed, new_mask);
-	p->nr_cpus_allowed = cpumask_weight(new_mask);
+	p->rt.nr_cpus_allowed = cpumask_weight(new_mask);
 }
 
 /*
@@ -6029,14 +5997,11 @@ build_overlap_sched_groups(struct sched_domain *sd, int cpu)
 
 		cpumask_or(covered, covered, sg_span);
 
-		sg->sgp = *per_cpu_ptr(sdd->sgp, i);
+		sg->sgp = *per_cpu_ptr(sdd->sgp, cpumask_first(sg_span));
 		atomic_inc(&sg->sgp->ref);
 
-		if ((!groups && cpumask_test_cpu(cpu, sg_span)) ||
-			       cpumask_first(sg_span) == cpu) {
-			WARN_ON_ONCE(!cpumask_test_cpu(cpu, sg_span));
+		if (cpumask_test_cpu(cpu, sg_span))
 			groups = sg;
-		}
 
 		if (!first)
 			first = sg;
@@ -6438,7 +6403,7 @@ static void sched_init_numa(void)
 			return;
 
 		for (j = 0; j < nr_node_ids; j++) {
-			struct cpumask *mask = kzalloc(cpumask_size(), GFP_KERNEL);
+			struct cpumask *mask = kzalloc_node(cpumask_size(), GFP_KERNEL, j);
 			if (!mask)
 				return;
 
@@ -6726,6 +6691,7 @@ static int init_sched_domains(const struct cpumask *cpu_map)
 	if (!doms_cur)
 		doms_cur = &fallback_doms;
 	cpumask_andnot(doms_cur[0], cpu_map, cpu_isolated_map);
+	dattr_cur = NULL;
 	err = build_sched_domains(doms_cur[0], NULL);
 	register_sched_domain_sysctl();
 
diff --git a/trunk/kernel/sched/fair.c b/trunk/kernel/sched/fair.c
index b2a2d236f27b..940e6d17cf96 100644
--- a/trunk/kernel/sched/fair.c
+++ b/trunk/kernel/sched/fair.c
@@ -2703,7 +2703,7 @@ select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flags)
 	int want_sd = 1;
 	int sync = wake_flags & WF_SYNC;
 
-	if (p->nr_cpus_allowed == 1)
+	if (p->rt.nr_cpus_allowed == 1)
 		return prev_cpu;
 
 	if (sd_flag & SD_BALANCE_WAKE) {
@@ -3503,22 +3503,15 @@ unsigned long __weak arch_scale_smt_power(struct sched_domain *sd, int cpu)
 unsigned long scale_rt_power(int cpu)
 {
 	struct rq *rq = cpu_rq(cpu);
-	u64 total, available, age_stamp, avg;
+	u64 total, available;
 
-	/*
-	 * Since we're reading these variables without serialization make sure
-	 * we read them once before doing sanity checks on them.
-	 */
-	age_stamp = ACCESS_ONCE(rq->age_stamp);
-	avg = ACCESS_ONCE(rq->rt_avg);
-
-	total = sched_avg_period() + (rq->clock - age_stamp);
+	total = sched_avg_period() + (rq->clock - rq->age_stamp);
 
-	if (unlikely(total < avg)) {
+	if (unlikely(total < rq->rt_avg)) {
 		/* Ensures that power won't end up being negative */
 		available = 0;
 	} else {
-		available = total - avg;
+		available = total - rq->rt_avg;
 	}
 
 	if (unlikely((s64)total < SCHED_POWER_SCALE))
@@ -3581,26 +3574,11 @@ void update_group_power(struct sched_domain *sd, int cpu)
 
 	power = 0;
 
-	if (child->flags & SD_OVERLAP) {
-		/*
-		 * SD_OVERLAP domains cannot assume that child groups
-		 * span the current group.
-		 */
-
-		for_each_cpu(cpu, sched_group_cpus(sdg))
-			power += power_of(cpu);
-	} else  {
-		/*
-		 * !SD_OVERLAP domains can assume that child groups
-		 * span the current group.
-		 */ 
-
-		group = child->groups;
-		do {
-			power += group->sgp->power;
-			group = group->next;
-		} while (group != child->groups);
-	}
+	group = child->groups;
+	do {
+		power += group->sgp->power;
+		group = group->next;
+	} while (group != child->groups);
 
 	sdg->sgp->power = power;
 }
diff --git a/trunk/kernel/sched/rt.c b/trunk/kernel/sched/rt.c
index 2a4e8dffbd6b..c5565c3c515f 100644
--- a/trunk/kernel/sched/rt.c
+++ b/trunk/kernel/sched/rt.c
@@ -274,16 +274,13 @@ static void update_rt_migration(struct rt_rq *rt_rq)
 
 static void inc_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
 {
-	struct task_struct *p;
-
 	if (!rt_entity_is_task(rt_se))
 		return;
 
-	p = rt_task_of(rt_se);
 	rt_rq = &rq_of_rt_rq(rt_rq)->rt;
 
 	rt_rq->rt_nr_total++;
-	if (p->nr_cpus_allowed > 1)
+	if (rt_se->nr_cpus_allowed > 1)
 		rt_rq->rt_nr_migratory++;
 
 	update_rt_migration(rt_rq);
@@ -291,16 +288,13 @@ static void inc_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
 
 static void dec_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
 {
-	struct task_struct *p;
-
 	if (!rt_entity_is_task(rt_se))
 		return;
 
-	p = rt_task_of(rt_se);
 	rt_rq = &rq_of_rt_rq(rt_rq)->rt;
 
 	rt_rq->rt_nr_total--;
-	if (p->nr_cpus_allowed > 1)
+	if (rt_se->nr_cpus_allowed > 1)
 		rt_rq->rt_nr_migratory--;
 
 	update_rt_migration(rt_rq);
@@ -1167,7 +1161,7 @@ enqueue_task_rt(struct rq *rq, struct task_struct *p, int flags)
 
 	enqueue_rt_entity(rt_se, flags & ENQUEUE_HEAD);
 
-	if (!task_current(rq, p) && p->nr_cpus_allowed > 1)
+	if (!task_current(rq, p) && p->rt.nr_cpus_allowed > 1)
 		enqueue_pushable_task(rq, p);
 
 	inc_nr_running(rq);
@@ -1231,7 +1225,7 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags)
 
 	cpu = task_cpu(p);
 
-	if (p->nr_cpus_allowed == 1)
+	if (p->rt.nr_cpus_allowed == 1)
 		goto out;
 
 	/* For anything but wake ups, just return the task_cpu */
@@ -1266,9 +1260,9 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags)
 	 * will have to sort it out.
 	 */
 	if (curr && unlikely(rt_task(curr)) &&
-	    (curr->nr_cpus_allowed < 2 ||
+	    (curr->rt.nr_cpus_allowed < 2 ||
 	     curr->prio <= p->prio) &&
-	    (p->nr_cpus_allowed > 1)) {
+	    (p->rt.nr_cpus_allowed > 1)) {
 		int target = find_lowest_rq(p);
 
 		if (target != -1)
@@ -1282,10 +1276,10 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags)
 
 static void check_preempt_equal_prio(struct rq *rq, struct task_struct *p)
 {
-	if (rq->curr->nr_cpus_allowed == 1)
+	if (rq->curr->rt.nr_cpus_allowed == 1)
 		return;
 
-	if (p->nr_cpus_allowed != 1
+	if (p->rt.nr_cpus_allowed != 1
 	    && cpupri_find(&rq->rd->cpupri, p, NULL))
 		return;
 
@@ -1401,7 +1395,7 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p)
 	 * The previous task needs to be made eligible for pushing
 	 * if it is still active
 	 */
-	if (on_rt_rq(&p->rt) && p->nr_cpus_allowed > 1)
+	if (on_rt_rq(&p->rt) && p->rt.nr_cpus_allowed > 1)
 		enqueue_pushable_task(rq, p);
 }
 
@@ -1414,7 +1408,7 @@ static int pick_rt_task(struct rq *rq, struct task_struct *p, int cpu)
 {
 	if (!task_running(rq, p) &&
 	    (cpu < 0 || cpumask_test_cpu(cpu, tsk_cpus_allowed(p))) &&
-	    (p->nr_cpus_allowed > 1))
+	    (p->rt.nr_cpus_allowed > 1))
 		return 1;
 	return 0;
 }
@@ -1470,7 +1464,7 @@ static int find_lowest_rq(struct task_struct *task)
 	if (unlikely(!lowest_mask))
 		return -1;
 
-	if (task->nr_cpus_allowed == 1)
+	if (task->rt.nr_cpus_allowed == 1)
 		return -1; /* No other targets possible */
 
 	if (!cpupri_find(&task_rq(task)->rd->cpupri, task, lowest_mask))
@@ -1592,7 +1586,7 @@ static struct task_struct *pick_next_pushable_task(struct rq *rq)
 
 	BUG_ON(rq->cpu != task_cpu(p));
 	BUG_ON(task_current(rq, p));
-	BUG_ON(p->nr_cpus_allowed <= 1);
+	BUG_ON(p->rt.nr_cpus_allowed <= 1);
 
 	BUG_ON(!p->on_rq);
 	BUG_ON(!rt_task(p));
@@ -1799,9 +1793,9 @@ static void task_woken_rt(struct rq *rq, struct task_struct *p)
 	if (!task_running(rq, p) &&
 	    !test_tsk_need_resched(rq->curr) &&
 	    has_pushable_tasks(rq) &&
-	    p->nr_cpus_allowed > 1 &&
+	    p->rt.nr_cpus_allowed > 1 &&
 	    rt_task(rq->curr) &&
-	    (rq->curr->nr_cpus_allowed < 2 ||
+	    (rq->curr->rt.nr_cpus_allowed < 2 ||
 	     rq->curr->prio <= p->prio))
 		push_rt_tasks(rq);
 }
@@ -1823,7 +1817,7 @@ static void set_cpus_allowed_rt(struct task_struct *p,
 	 * Only update if the process changes its state from whether it
 	 * can migrate or not.
 	 */
-	if ((p->nr_cpus_allowed > 1) == (weight > 1))
+	if ((p->rt.nr_cpus_allowed > 1) == (weight > 1))
 		return;
 
 	rq = task_rq(p);
@@ -1985,8 +1979,6 @@ static void watchdog(struct rq *rq, struct task_struct *p)
 
 static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued)
 {
-	struct sched_rt_entity *rt_se = &p->rt;
-
 	update_curr_rt(rq);
 
 	watchdog(rq, p);
@@ -2004,15 +1996,12 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued)
 	p->rt.time_slice = RR_TIMESLICE;
 
 	/*
-	 * Requeue to the end of queue if we (and all of our ancestors) are the
-	 * only element on the queue
+	 * Requeue to the end of queue if we are not the only element
+	 * on the queue:
 	 */
-	for_each_sched_rt_entity(rt_se) {
-		if (rt_se->run_list.prev != rt_se->run_list.next) {
-			requeue_task_rt(rq, p, 0);
-			set_tsk_need_resched(p);
-			return;
-		}
+	if (p->rt.run_list.prev != p->rt.run_list.next) {
+		requeue_task_rt(rq, p, 0);
+		set_tsk_need_resched(p);
 	}
 }
 
diff --git a/trunk/kernel/time/tick-sched.c b/trunk/kernel/time/tick-sched.c
index da70c6db496c..efd386667536 100644
--- a/trunk/kernel/time/tick-sched.c
+++ b/trunk/kernel/time/tick-sched.c
@@ -576,7 +576,6 @@ void tick_nohz_idle_exit(void)
 	/* Update jiffies first */
 	select_nohz_load_balancer(0);
 	tick_do_update_jiffies64(now);
-	update_cpu_load_nohz();
 
 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
 	/*
diff --git a/trunk/lib/radix-tree.c b/trunk/lib/radix-tree.c
index e7964296fd50..d7c878cc006c 100644
--- a/trunk/lib/radix-tree.c
+++ b/trunk/lib/radix-tree.c
@@ -686,9 +686,6 @@ void **radix_tree_next_chunk(struct radix_tree_root *root,
 	 * during iterating; it can be zero only at the beginning.
 	 * And we cannot overflow iter->next_index in a single step,
 	 * because RADIX_TREE_MAP_SHIFT < BITS_PER_LONG.
-	 *
-	 * This condition also used by radix_tree_next_slot() to stop
-	 * contiguous iterating, and forbid swithing to the next chunk.
 	 */
 	index = iter->next_index;
 	if (!index && iter->index)