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mm/z3fold: add kerneldoc fields for z3fold_pool

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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 9a001fc19c ("z3fold: the 3-fold allocator for compressed pages")
simply did not document the fields at the time.  Add rudimentary
documentation.

Link: https://lkml.kernel.org/r/20210520084809.8576-11-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mel Gorman 2021-06-30 18:53:44 -07:00 committed by Linus Torvalds
parent a29a750660
commit 30522175d2
1 changed files with 2 additions and 0 deletions
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mm/z3fold.c
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@ -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