Messages in this thread | | | Subject | Re: [PATCH net] net: fec: Use page_pool_put_full_page when freeing rx buffers | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 23 Jan 2023 10:50:15 +0000 |
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Hello:
This patch was applied to netdev/net.git (master) by David S. Miller <davem@davemloft.net>:
On Thu, 19 Jan 2023 12:37:47 +0800 you wrote: > From: Wei Fang <wei.fang@nxp.com> > > 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
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