linux-kernel - Re: [PATCH net-next v2 7/9] net/smc: Drop nr_pages

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Message-ID: <59f869f7-586b-4021-b44d-dfd5df36d17a@linux.ibm.com>
Date: Thu, 26 Jun 2025 18:55:30 +0530
From: Sidraya Jayagond <sidraya@...ux.ibm.com>
To: Michal Luczaj <mhal@...x.co>, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
        Neal Cardwell <ncardwell@...gle.com>,
        Kuniyuki Iwashima <kuniyu@...gle.com>,
        David Ahern <dsahern@...nel.org>, Boris Pismenny <borisp@...dia.com>,
        John Fastabend <john.fastabend@...il.com>,
        Ayush Sawal <ayush.sawal@...lsio.com>,
        Andrew Lunn <andrew+netdev@...n.ch>,
        Wenjia Zhang <wenjia@...ux.ibm.com>, Jan Karcher <jaka@...ux.ibm.com>,
        "D. Wythe" <alibuda@...ux.alibaba.com>,
        Tony Lu <tonylu@...ux.alibaba.com>, Wen Gu <guwen@...ux.alibaba.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rdma@...r.kernel.org, linux-s390@...r.kernel.org
Subject: Re: [PATCH net-next v2 7/9] net/smc: Drop nr_pages_max initialization



On 26/06/25 2:03 pm, Michal Luczaj wrote:
> splice_pipe_desc::nr_pages_max was initialized unnecessarily in
> commit b8d199451c99 ("net/smc: Allow virtually contiguous sndbufs or RMBs
> for SMC-R"). Struct's field is unused in this context.
> 
> Remove the assignment. No functional change intended.
> 
> Suggested-by: Simon Horman <horms@...nel.org>
> Signed-off-by: Michal Luczaj <mhal@...x.co>
> ---
>   net/smc/smc_rx.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
> index e7f1134453ef40dd81a9574d6df4ead95acd8ae5..bbba5d4dc7eb0dbb31a9800023b0caab33e87842 100644
> --- a/net/smc/smc_rx.c
> +++ b/net/smc/smc_rx.c
> @@ -202,7 +202,6 @@ static int smc_rx_splice(struct pipe_inode_info *pipe, char *src, size_t len,
>   			offset = 0;
>   		}
>   	}
> -	spd.nr_pages_max = nr_pages;
>   	spd.nr_pages = nr_pages;
>   	spd.pages = pages;
>   	spd.partial = partial;
> 
LGTM.
Reviewed-by: Sidraya Jayagond <sidraya@...ux.ibm.com>