[PATCH 3/5] mm, swap: Remove redundant comment for read_swap_cache_async

[Youngjun Park <youngjun.park@lge.com>]

The function now manages get/put_swap_device() internally, making the
comment explaining this behavior to callers unnecessary.

Signed-off-by: Youngjun Park <youngjun.park@lge.com>
---
 mm/swap_state.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/mm/swap_state.c b/mm/swap_state.c
index b13e9c4baa90..d20d238109f9 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -509,10 +509,6 @@ struct folio *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
  * and reading the disk if it is not already cached.
  * A failure return means that either the page allocation failed or that
  * the swap entry is no longer in use.
- *
- * get/put_swap_device() aren't needed to call this function, because
- * __read_swap_cache_async() call them and swap_read_folio() holds the
- * swap cache folio lock.
  */
 struct folio *read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
 		struct vm_area_struct *vma, unsigned long addr,
-- 
2.34.1