We will add si back to plist in swap_usage_sub(), just correct the wrong
comment which says we will remove si from plist in swap_usage_sub().

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
---
 mm/swapfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index c640f77a464a..6ff57ed23e27 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1098,7 +1098,7 @@ static void swap_usage_sub(struct swap_info_struct *si, unsigned int nr_entries)
 
 	/*
 	 * If device is not full, and SWAP_USAGE_OFFLIST_BIT is set,
-	 * remove it from the plist.
+	 * add it to the plist.
 	 */
 	if (unlikely(val & SWAP_USAGE_OFFLIST_BIT))
 		add_to_avail_list(si, false);
-- 
2.30.0