RE: [PATCH v3 03/55] net: Declare MSG_SPLICE_PAGES internal sendmsg() flag

[Willem de Bruijn]

David Howells wrote:
> Declare MSG_SPLICE_PAGES, an internal sendmsg() flag, that hints to a
> network protocol that it should splice pages from the source iterator
> rather than copying the data if it can.  This flag is added to a list that
> is cleared by sendmsg and recvmsg syscalls on entry.

nit: comment not longer matches implementation: recvmsg
 
> This is intended as a replacement for the ->sendpage() op, allowing a way
> to splice in several multipage folios in one go.
> 
> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>
> cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> cc: Eric Dumazet <edumazet@xxxxxxxxxx>
> cc: Jakub Kicinski <kuba@xxxxxxxxxx>
> cc: Paolo Abeni <pabeni@xxxxxxxxxx>
> cc: Jens Axboe <axboe@xxxxxxxxx>
> cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> cc: netdev@xxxxxxxxxxxxxxx

Aside from that

Reviewed-by: Willem de Bruijn <willemb@xxxxxxxxxx>