linux-kernel - Re: [PATCH 4/4] mm: swap: remove stale comment stale comment in cluster_alloc_swap

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Message-ID: <CAMgjq7Ann=NwW7pQXgZtkjQT4Yujvcx0qS6ihH4T__QUUberww@mail.gmail.com>
Date: Mon, 26 May 2025 01:05:07 +0800
From: Kairui Song <ryncsn@...il.com>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: akpm@...ux-foundation.org, bhe@...hat.com, hannes@...xchg.org, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] mm: swap: remove stale comment stale comment in cluster_alloc_swap_entry()

On Thu, May 22, 2025 at 11:32 AM Kemeng Shi <shikemeng@...weicloud.com> wrote:
>
> As cluster_next_cpu was already dropped, the associated comment is stale
> now.
>
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> ---
>  mm/swapfile.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/mm/swapfile.c b/mm/swapfile.c
> index 63ab9f14b2c6..8525515fb06c 100644
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -956,9 +956,8 @@ static unsigned long cluster_alloc_swap_entry(struct swap_info_struct *si, int o
>         }
>
>         /*
> -        * We don't have free cluster but have some clusters in
> -        * discarding, do discard now and reclaim them, then
> -        * reread cluster_next_cpu since we dropped si->lock
> +        * We don't have free cluster but have some clusters in discarding,
> +        * do discard now and reclaim them.
>          */
>         if ((si->flags & SWP_PAGE_DISCARD) && swap_do_scheduled_discard(si))
>                 goto new_cluster;
> --
> 2.30.0
>

Nice.

Reviewed-by: Kairui Song <kasong@...cent.com>