Re: [PATCH net] net: fec: Use page_pool_put_full_page when freeing rx buffers

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@xxxxxxxxxxxxx>:

On Thu, 19 Jan 2023 12:37:47 +0800 you wrote:
> From: Wei Fang <wei.fang@xxxxxxx>
> 
> The page_pool_release_page was used when freeing rx buffers, and this
> function just unmaps the page (if mapped) and does not recycle the page.
> So after hundreds of down/up the eth0, the system will out of memory.
> For more details, please refer to the following reproduce steps and
> bug logs. To solve this issue and refer to the doc of page pool, the
> page_pool_put_full_page should be used to replace page_pool_release_page.
> Because this API will try to recycle the page if the page refcnt equal to
> 1. After testing 20000 times, the issue can not be reproduced anymore
> (about testing 391 times the issue will occur on i.MX8MN-EVK before).
> 
> [...]

Here is the summary with links:
  - [net] net: fec: Use page_pool_put_full_page when freeing rx buffers
    https://git.kernel.org/netdev/net/c/e38553bdc377

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html