Re: [PATCH 6.12] vsock/virtio: fix zerocopy completion for multi-skb sends
From: Sasha Levin
Date: Sun Jul 19 2026 - 11:02:22 EST
> When a large message is fragmented into multiple skbs, the zerocopy
> uarg is only allocated and attached to the last skb in the loop.
> Non-final skbs carry pinned user pages with no completion tracking,
> so the kernel has no way to notify userspace when those pages are safe
> to reuse.
Queued for 6.12, thanks.
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Thanks,
Sasha