Use proper formatting, use full sentences and reduce some verbosity in
function parameter descriptions.

Signed-off-by: Christoph Hellwig <[email protected]>
---
 mm/mempool.c | 36 +++++++++++++++++-------------------
 1 file changed, 17 insertions(+), 19 deletions(-)

diff --git a/mm/mempool.c b/mm/mempool.c
index 1c38e873e546..d7c55a98c2be 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -372,18 +372,15 @@ int mempool_resize(mempool_t *pool, int new_min_nr)
 EXPORT_SYMBOL(mempool_resize);
 
 /**
- * mempool_alloc - allocate an element from a specific memory pool
- * @pool:      pointer to the memory pool which was allocated via
- *             mempool_create().
- * @gfp_mask:  the usual allocation bitmask.
+ * mempool_alloc - allocate an element from a memory pool
+ * @pool:      pointer to the memory pool
+ * @gfp_mask:  GFP_* flags.
  *
- * this function only sleeps if the alloc_fn() function sleeps or
- * returns NULL. Note that due to preallocation, this function
- * *never* fails when called from process contexts. (it might
- * fail if called from an IRQ context.)
- * Note: using __GFP_ZERO is not supported.
+ * Note: This function only sleeps if the alloc_fn callback sleeps or returns
+ * %NULL.  Using __GFP_ZERO is not supported.
  *
- * Return: pointer to the allocated element or %NULL on error.
+ * Return: pointer to the allocated element or %NULL on error. This function
+ * never returns %NULL when @gfp_mask allows sleeping.
  */
 void *mempool_alloc_noprof(mempool_t *pool, gfp_t gfp_mask)
 {
@@ -456,11 +453,10 @@ EXPORT_SYMBOL(mempool_alloc_noprof);
 
 /**
  * mempool_alloc_preallocated - allocate an element from preallocated elements
- *                              belonging to a specific memory pool
- * @pool:      pointer to the memory pool which was allocated via
- *             mempool_create().
+ *                              belonging to a memory pool
+ * @pool:      pointer to the memory pool
  *
- * This function is similar to mempool_alloc, but it only attempts allocating
+ * This function is similar to mempool_alloc(), but it only attempts allocating
  * an element from the preallocated elements. It does not sleep and immediately
  * returns if no preallocated elements are available.
  *
@@ -492,12 +488,14 @@ void *mempool_alloc_preallocated(mempool_t *pool)
 EXPORT_SYMBOL(mempool_alloc_preallocated);
 
 /**
- * mempool_free - return an element to the pool.
- * @element:   pool element pointer.
- * @pool:      pointer to the memory pool which was allocated via
- *             mempool_create().
+ * mempool_free - return an element to a mempool
+ * @element:   pointer to element
+ * @pool:      pointer to the memory pool
+ *
+ * Returns @elem to @pool if its needs replenishing, else free it using
+ * the free_fn callback in @pool.
  *
- * this function only sleeps if the free_fn() function sleeps.
+ * This function only sleeps if the free_fn callback sleeps.
  */
 void mempool_free(void *element, mempool_t *pool)
 {
-- 
2.47.3


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