linux-kernel - Re: [PATCH net-next v1] net: stmmac: Set dma_sync

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Message-Id: 
 <173624463153.4094378.15118164239287100695.git-patchwork-notify@kernel.org>
Date: Tue, 07 Jan 2025 10:10:31 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Furong Xu <0x1207@...il.com>
Cc: netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 alexandre.torgue@...s.st.com, joabreu@...opsys.com, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 mcoquelin.stm32@...il.com, xfr@...look.com
Subject: Re: [PATCH net-next v1] net: stmmac: Set dma_sync_size to zero for
 discarded frames

Hello:

This patch was applied to netdev/net-next.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Fri,  3 Jan 2025 17:37:33 +0800 you wrote:
> If a frame is going to be discarded by driver, this frame is never touched
> by driver and the cache lines never become dirty obviously,
> page_pool_recycle_direct() wastes CPU cycles on unnecessary calling of
> page_pool_dma_sync_for_device() to sync entire frame.
> page_pool_put_page() with sync_size setting to 0 is the proper method.
> 
> Signed-off-by: Furong Xu <0x1207@...il.com>
> 
> [...]

Here is the summary with links:
  - [net-next,v1] net: stmmac: Set dma_sync_size to zero for discarded frames
    https://git.kernel.org/netdev/net-next/c/51cfbed198ca

You are awesome, thank you!
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