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Date: Fri, 10 Nov 2023 15:19:35 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Mina Almasry <almasrymina@...gle.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linaro-mm-sig@...ts.linaro.org, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Jesper
Dangaard Brouer <hawk@...nel.org>, Ilias Apalodimas
<ilias.apalodimas@...aro.org>, Arnd Bergmann <arnd@...db.de>, David Ahern
<dsahern@...nel.org>, Willem de Bruijn <willemdebruijn.kernel@...il.com>,
Shuah Khan <shuah@...nel.org>, Sumit Semwal <sumit.semwal@...aro.org>,
"Christian König" <christian.koenig@....com>, Shakeel Butt
<shakeelb@...gle.com>, Jeroen de Borst <jeroendb@...gle.com>, Praveen
Kaligineedi <pkaligineedi@...gle.com>
Subject: Re: [RFC PATCH v3 08/12] net: support non paged skb frags
On Sun, 5 Nov 2023 18:44:07 -0800 Mina Almasry wrote:
> #include <net/net_debug.h>
> #include <net/dropreason-core.h>
> +#include <net/page_pool/types.h>
> +#include <net/page_pool/helpers.h>
> /**
> * DOC: skb checksums
> @@ -3402,15 +3404,38 @@ static inline void skb_frag_off_copy(skb_frag_t *fragto,
> fragto->bv_offset = fragfrom->bv_offset;
> }
>
> +/* Returns true if the skb_frag contains a page_pool_iov. */
> +static inline bool skb_frag_is_page_pool_iov(const skb_frag_t *frag)
> +{
> + return page_is_page_pool_iov(frag->bv_page);
> +}
Maybe we can create a new header? For skb + page pool.
skbuff.h is included by 1/4th of the kernel objects, we should not
be adding dependencies to this header, it really slows down incremental
builds.
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