diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index e07c079e07e6..fb6789725e1b 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -2453,6 +2453,7 @@ EXPORT_SYMBOL(blk_rq_map_user);
  * @rq:		request to map data to
  * @iov:	pointer to the iovec
  * @iov_count:	number of elements in the iovec
+ * @len:	I/O byte count
  *
  * Description:
  *    Data will be mapped directly for zero copy io, if possible. Otherwise
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4bad2870c485..64558f45e6bc 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -127,6 +127,7 @@ static ssize_t firmware_loading_show(struct device *dev,
 /**
  * firmware_loading_store - set value in the 'loading' control file
  * @dev: device pointer
+ * @attr: device attribute pointer
  * @buf: buffer to scan for loading control value
  * @count: number of bytes in @buf
  *
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index a539d3b61e76..5278aad92bc4 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -367,7 +367,7 @@ static int i2o_exec_remove(struct device *dev)
 
 /**
  *	i2o_exec_lct_modified - Called on LCT NOTIFY reply
- *	@work: work struct for a specific controller
+ *	@_work: work struct for a specific controller
  *
  *	This function handles asynchronus LCT NOTIFY replies. It parses the
  *	new LCT and if the buffer for the LCT was to small sends a LCT NOTIFY
diff --git a/kernel/relay.c b/kernel/relay.c
index a4701e7ba7d0..3e076f2acd31 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -302,7 +302,7 @@ static struct rchan_callbacks default_channel_callbacks = {
 
 /**
  *	wakeup_readers - wake up readers waiting on a channel
- *	@private: the channel buffer
+ *	@work: work struct that contains the the channel buffer
  *
  *	This is the work function used to defer reader waking.  The
  *	reason waking is deferred is that calling directly from write
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 180a8ce11535..a3da07c5af28 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -233,7 +233,7 @@ static void delayed_work_timer_fn(unsigned long __data)
 /**
  * queue_delayed_work - queue work on a workqueue after delay
  * @wq: workqueue to use
- * @work: delayable work to queue
+ * @dwork: delayable work to queue
  * @delay: number of jiffies to wait before queueing
  *
  * Returns 0 if @work was already on a queue, non-zero otherwise.
@@ -268,7 +268,7 @@ EXPORT_SYMBOL_GPL(queue_delayed_work);
  * queue_delayed_work_on - queue work on specific CPU after delay
  * @cpu: CPU number to execute work on
  * @wq: workqueue to use
- * @work: work to queue
+ * @dwork: work to queue
  * @delay: number of jiffies to wait before queueing
  *
  * Returns 0 if @work was already on a queue, non-zero otherwise.
diff --git a/mm/slab.c b/mm/slab.c
index 176037bcc66a..0d4e57431de4 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3587,6 +3587,7 @@ out:
  * @cachep: The cache to allocate from.
  * @flags: See kmalloc().
  * @nodeid: node number of the target node.
+ * @caller: return address of caller, used for debug information
  *
  * Identical to kmem_cache_alloc but it will allocate memory on the given
  * node, which can improve the performance for cpu bound structures.