linux-kernel - [PATCH 06/12] mm/swapfile.c: update the code comment above swap_count

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Message-ID: <20250205092721.9395-7-bhe@redhat.com>
Date: Wed,  5 Feb 2025 17:27:15 +0800
From: Baoquan He <bhe@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org,
	akpm@...ux-foundation.org,
	ryncsn@...il.com,
	chrisl@...nel.org,
	Baoquan He <bhe@...hat.com>
Subject: [PATCH 06/12] mm/swapfile.c: update the code comment above swap_count_continued()

Now, swap_count_continued() has two callers, __swap_duplicate() and
__swap_entry_free_locked(), the relevant code comment is stale.
Update it to reflect the current situation.

Signed-off-by: Baoquan He <bhe@...hat.com>
---
 mm/swapfile.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index bf284ba16198..9ee2238042a5 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -3789,8 +3789,8 @@ int add_swap_count_continuation(swp_entry_t entry, gfp_t gfp_mask)
  * into, carry if so, or else fail until a new continuation page is allocated;
  * when the original swap_map count is decremented from 0 with continuation,
  * borrow from the continuation and report whether it still holds more.
- * Called while __swap_duplicate() or swap_entry_free() holds swap or cluster
- * lock.
+ * Called while __swap_duplicate() or caller of __swap_entry_free_locked()
+ * holds swap or cluster lock.
  */
 static bool swap_count_continued(struct swap_info_struct *si,
 				 pgoff_t offset, unsigned char count)
-- 
2.41.0