Subject: Re: [PATCH net-next] page_pool: disable direct recycling based on pool->cpuid on destroy

From: [email-masked]
Date: Mon, 19 Feb 2024 20:40:25 +0000

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email-masked]>:

On Thu, 15 Feb 2024 12:39:05 +0100 you wrote:
> Now that direct recycling is performed basing on pool->cpuid when set,
> memory leaks are possible:
> 
> 1. A pool is destroyed.
> 2. Alloc cache is emptied (it's done only once).
> 3. pool->cpuid is still set.
> 4. napi_pp_put_page() does direct recycling basing on pool->cpuid.
> 5. Now alloc cache is not empty, but it won't ever be freed.
> 
> [...]

Here is the summary with links:
  - [net-next] page_pool: disable direct recycling based on pool->cpuid on destroy
    https://git.kernel.org/netdev/net-next/c/56ef27e3abe6

You are awesome, thank you!
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