mm, swap: correct comment in swap_usage_sub()

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().

Link: https://lkml.kernel.org/r/20250222160850.505274-6-shikemeng@huaweicloud.com
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Kairui Song <ryncsn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 80e4ad2..dc9f93b 100644 (file)
--- 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);