netdev - Re: [PATCH net-next v4 00/20] splice, net: Replace sendpage with sendmsg(MSG_SPLICE

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Date:   Wed, 5 Apr 2023 19:19:15 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     David Howells <dhowells@...hat.com>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@...radead.org>,
        Jens Axboe <axboe@...nel.dk>, Jeff Layton <jlayton@...nel.org>,
        Christian Brauner <brauner@...nel.org>,
        Chuck Lever III <chuck.lever@...cle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH net-next v4 00/20] splice, net: Replace sendpage with
 sendmsg(MSG_SPLICE_PAGES), part 1

On Wed,  5 Apr 2023 17:53:19 +0100 David Howells wrote:
> Here's the first tranche of patches towards providing a MSG_SPLICE_PAGES
> internal sendmsg flag that is intended to replace the ->sendpage() op with
> calls to sendmsg().  MSG_SPLICE is a hint that tells the protocol that it
> should splice the pages supplied if it can and copy them if not.

Thanks for splitting off a smaller series!
My day is out of hours so just a trivial comment, in case kbuild bot
hasn't pinged you - this appears to break the build on the relatively
recently added page_frag_cache in google's vNIC (gve).