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Subject: Re: [PATCH net v4] net: mvneta: clear XDP pfmemalloc flag between
 frames
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <179081640728.2197065.5595924340439650729.git-patchwork-notify@kernel.org>
Date: Thu, 01 Oct 2026 01:00:07 +0000
References: 
 <20260929-mvneta-xdp-clear-frag-fix-v4-1-1e63b25eeed8@oss.qualcomm.com>
In-Reply-To: 
 <20260929-mvneta-xdp-clear-frag-fix-v4-1-1e63b25eeed8@oss.qualcomm.com>
To: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>
Cc: marcin.s.wojtas@gmail.com, andrew+netdev@lunn.ch, davem@davemloft.net,
 edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org,
 daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com,
 sdf@fomichev.me, toke@redhat.com, lorenzo@kernel.org, horms@kernel.org,
 netdev@vger.kernel.org, bpf@vger.kernel.org

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Tue, 29 Sep 2026 15:43:03 +0200 you wrote:
> mvneta_swbm_add_rx_fragment() sets XDP_FLAGS_FRAGS_PF_MEMALLOC on the
> xdp_buff when a fragment page is a pfmemalloc one (page under memory
> pressure). The xdp_buff is reused for the next frame, but only the
> XDP_FLAGS_HAS_FRAGS bit was cleared at frame start, so the pfmemalloc
> bit leaked from one frame into the following ones. mvneta_swbm_build_skb()
> propagates the flag to skb->pfmemalloc through xdp_update_skb_frags_info(),
> so the skb of a subsequent fragmented frame could be wrongly marked as
> pfmemalloc even if none of its pages are under pressure.
> 
> [...]

Here is the summary with links:
  - [net,v4] net: mvneta: clear XDP pfmemalloc flag between frames
    https://git.kernel.org/netdev/net/c/8f1c2a10500a

You are awesome, thank you!
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