linux-kernel - [PATCH 10/14] mm/z3fold: Add kerneldoc fields for z3fold

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Date:   Thu, 20 May 2021 09:48:05 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Michal Hocko <mhocko@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Dan Streetman <ddstreet@...e.org>,
        Yang Shi <shy828301@...il.com>, Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Mel Gorman <mgorman@...hsingularity.net>
Subject: [PATCH 10/14] mm/z3fold: Add kerneldoc fields for z3fold_pool

make W=1 generates the following warning for z3fold_pool

  mm/z3fold.c:171: warning: Function parameter or member 'zpool' not described in 'z3fold_pool'
  mm/z3fold.c:171: warning: Function parameter or member 'zpool_ops' not described in 'z3fold_pool'

Commit 9a001fc19ccc ("z3fold: the 3-fold allocator for compressed
pages") simply did not document the fields at the time. Add rudimentary
documentation.

Signed-off-by: Mel Gorman <mgorman@...hsingularity.net>
---
 mm/z3fold.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index 7fe7adaaad01..56321bf37d56 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -144,6 +144,8 @@ struct z3fold_header {
  * @c_handle:	cache for z3fold_buddy_slots allocation
  * @ops:	pointer to a structure of user defined operations specified at
  *		pool creation time.
+ * @zpool:	zpool driver
+ * @zpool_ops:	zpool operations structure with an evict callback
  * @compact_wq:	workqueue for page layout background optimization
  * @release_wq:	workqueue for safe page release
  * @work:	work_struct for safe page release
-- 
2.26.2