netdev - Re: [PATCH net-next v5 2/2] net/smc: handle -ENOMEM from smc_wr_alloc_link

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Message-ID: <20251008170818.35825f55.pasic@linux.ibm.com>
Date: Wed, 8 Oct 2025 17:08:18 +0200
From: Halil Pasic <pasic@...ux.ibm.com>
To: Dust Li <dust.li@...ux.alibaba.com>
Cc: Mahanta Jambigi <mjambigi@...ux.ibm.com>,
        "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>,
        Jonathan Corbet <corbet@....net>,
        "D. Wythe"
 <alibuda@...ux.alibaba.com>,
        Sidraya Jayagond <sidraya@...ux.ibm.com>,
        Wenjia Zhang <wenjia@...ux.ibm.com>,
        Tony Lu <tonylu@...ux.alibaba.com>, Wen Gu <guwen@...ux.alibaba.com>,
        Guangguan Wang
 <guangguan.wang@...ux.alibaba.com>,
        netdev@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        linux-s390@...r.kernel.org, Halil Pasic
 <pasic@...ux.ibm.com>
Subject: Re: [PATCH net-next v5 2/2] net/smc: handle -ENOMEM from
 smc_wr_alloc_link_mem gracefully

On Wed, 8 Oct 2025 22:06:08 +0800
Dust Li <dust.li@...ux.alibaba.com> wrote:

> >I did test this after you query & don't see any issues. As Halil
> >mentioned in worst case scenario one link might perform lesser than the
> >other, that too if the kcalloc() failed for that link in
> >smc_wr_alloc_link_mem() & succeeded in subsequent request with reduced
> >max_send_wr/max_recv_wr size(half).  
> 
> Great! You can add my
> 
> Reviewed-by: Dust Li <dust.li@...ux.alibaba.com>

Thank you! Will do and respin once net-next is open again.

Regards,
Halil