4 files changed, 12 insertions, 5 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 9ddc8780e8db..5778b559d59c 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -360,5 +360,8 @@ extern ssize_t compat_rw_copy_check_uvector(int type,
                 const struct compat_iovec __user *uvector, unsigned long nr_segs,
                 unsigned long fast_segs, struct iovec *fast_pointer,
                 struct iovec **ret_pointer);
+
+extern void __user *compat_alloc_user_space(unsigned long len);
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 791d5109f34c..50d8009be86c 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -63,20 +63,20 @@ static inline bool netpoll_rx(struct sk_buff *skb)
         unsigned long flags;
         bool ret = false;
 
-        rcu_read_lock_bh();
+        local_irq_save(flags);
         npinfo = rcu_dereference_bh(skb->dev->npinfo);
 
         if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
                 goto out;
 
-        spin_lock_irqsave(&npinfo->rx_lock, flags);
+        spin_lock(&npinfo->rx_lock);
         /* check rx_flags again with the lock held */
         if (npinfo->rx_flags && __netpoll_rx(skb))
                 ret = true;
-        spin_unlock_irqrestore(&npinfo->rx_lock, flags);
+        spin_unlock(&npinfo->rx_lock);
 
 out:
-        rcu_read_unlock_bh();
+        local_irq_restore(flags);
         return ret;
 }
 
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 569dc722a600..85f38a63f098 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -30,7 +30,7 @@ struct rpc_inode;
  * The high-level client handle
  */
 struct rpc_clnt {
-        struct kref             cl_kref;        /* Number of references */
+        atomic_t                cl_count;       /* Number of references */
         struct list_head        cl_clients;     /* Global list of clients */
         struct list_head        cl_tasks;       /* List of tasks */
         spinlock_t              cl_lock;        /* spinlock */
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index f11100f96482..25e02c941bac 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -235,6 +235,10 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
 #define work_clear_pending(work) \
         clear_bit(WORK_STRUCT_PENDING_BIT, work_data_bits(work))
 
+/*
+ * Workqueue flags and constants.  For details, please refer to
+ * Documentation/workqueue.txt.
+ */
 enum {
         WQ_NON_REENTRANT        = 1 << 0, /* guarantee non-reentrance */
         WQ_UNBOUND              = 1 << 1, /* not bound to any cpu */