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From:   David Howells <dhowells@redhat.com>
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To:     Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Cc:     dhowells@redhat.com, Matthew Wilcox <willy@infradead.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Al Viro <viro@zeniv.linux.org.uk>,
        Christoph Hellwig <hch@infradead.org>,
        Jens Axboe <axboe@kernel.dk>, Jeff Layton <jlayton@kernel.org>,
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        Chuck Lever III <chuck.lever@oracle.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org,
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Subject: Re: [PATCH v3 15/55] ip, udp: Support MSG_SPLICE_PAGES
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Date:   Tue, 04 Apr 2023 18:16:50 +0100
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Willem de Bruijn <willemdebruijn.kernel@gmail.com> wrote:

> > Okay.  How about the attached?  This seems to work.  Just setting "pag=
ed" to
> > true seems to do the right thing in __ip_append_data() when allocating=
 /
> > setting up the skbuff, and then __ip_splice_pages() is called to add t=
he
> > pages.
> =

> If this works, much preferred. Looks great to me.

:-)

> As said, then __ip_splice_pages() probably no longer needs the
> preamble to copy initial header bytes.

Sorry, what?  It only attaches pages extracted from the iterator.

David