[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-Id:
<169486142297.3496.4502904923756282368.git-patchwork-notify@kernel.org>
Date: Sat, 16 Sep 2023 10:50:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: David Christensen <drc@....com>
Cc: shannon.nelson@....com, brett.creeley@....com, drivers@...sando.io,
netdev@...r.kernel.org, drc@...ux.vnet.ibm.com
Subject: Re: [PATCH net v2] ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:
On Thu, 14 Sep 2023 18:02:52 -0400 you wrote:
> From: David Christensen <drc@...ux.vnet.ibm.com>
>
> The ionic device supports a maximum buffer length of 16 bits (see
> ionic_rxq_desc or ionic_rxq_sg_elem). When adding new buffers to
> the receive rings, the function ionic_rx_fill() uses 16bit math when
> calculating the number of pages to allocate for an RX descriptor,
> given the interface's MTU setting. If the system PAGE_SIZE >= 64KB,
> and the buf_info->page_offset is 0, the remain_len value will never
> decrement from the original MTU value and the frag_len value will
> always be 0, causing additional pages to be allocated as scatter-
> gather elements unnecessarily.
>
> [...]
Here is the summary with links:
- [net,v2] ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
https://git.kernel.org/netdev/net/c/8f6b846b0a86
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
Powered by blists - more mailing lists