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SubjectRe: [RFC PATCH v3 05/12] netdev: netdevice devmem allocator
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On 11/5/23 7:44 PM, Mina Almasry wrote:
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index eeeda849115c..1c351c138a5b 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -843,6 +843,9 @@ struct netdev_dmabuf_binding {
> };
>
> #ifdef CONFIG_DMA_SHARED_BUFFER
> +struct page_pool_iov *
> +netdev_alloc_devmem(struct netdev_dmabuf_binding *binding);
> +void netdev_free_devmem(struct page_pool_iov *ppiov);

netdev_{alloc,free}_dmabuf?

I say that because a dmabuf can be host memory, at least I am not aware
of a restriction that a dmabuf is device memory.

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