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

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Message-ID: <aDlA97iV4uUaGHZv@MiWiFi-R3L-srv>
Date: Fri, 30 May 2025 13:24:07 +0800
From: Baoquan He <bhe@...hat.com>
To: Kemeng Shi <shikemeng@...weicloud.com>
Cc: akpm@...ux-foundation.org, kasong@...cent.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 05/22/25 at 08:25pm, Kemeng Shi 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(-)

Reviewed-by: Baoquan He <bhe@...hat.com>

> 
> 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
>