From: Simon Horman <horms@kernel.org>
To: Jiawen Wu <jiawenwu@trustnetic.com>
Cc: netdev@vger.kernel.org, andrew+netdev@lunn.ch,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, mengyuanlou@net-swift.com,
duanqiangwen@net-swift.com, stable@vger.kernel.org
Subject: Re: [PATCH net] net: libwx: fix the creation of page_pool
Date: Wed, 25 Jun 2025 17:50:34 +0100 [thread overview]
Message-ID: <20250625165034.GG1562@horms.kernel.org> (raw)
In-Reply-To: <434C72BFB40E350A+20250625023924.21821-1-jiawenwu@trustnetic.com>
On Wed, Jun 25, 2025 at 10:39:24AM +0800, Jiawen Wu wrote:
> 'rx_ring->size' means the count of ring descriptors multiplied by the
> size of one descriptor. When increasing the count of ring descriptors,
> it may exceed the limit of pool size.
>
> [ 864.209610] page_pool_create_percpu() gave up with errno -7
> [ 864.209613] txgbe 0000:11:00.0: Page pool creation failed: -7
>
> Fix to set the pool_size to the count of ring descriptors.
>
> Fixes: 850b971110b2 ("net: libwx: Allocate Rx and Tx resources")
> Cc: stable@vger.kernel.org
> Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2025-06-25 16:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-25 2:39 [PATCH net] net: libwx: fix the creation of page_pool Jiawen Wu
2025-06-25 16:50 ` Simon Horman [this message]
2025-06-25 23:27 ` Mina Almasry
2025-06-26 9:10 ` patchwork-bot+netdevbpf
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