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(parent: acd6996) | patch
net: allow better page reuse in splice(sock -> pipe)
authorEric Dumazet <edumazet@google.com>
Thu, 19 Apr 2012 09:38:17 +0000 (09:38 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 21 Apr 2012 20:36:42 +0000 (16:36 -0400)
commite66e9a31474dcce5be6f1186dc933d8a991c707b
tree10bcd8dd605738689797656753ecbbbbab33fe23tree | snapshot (tar.gz zip)
parentacd69962341a956b5bcc5b4178b70fa527d7ce11commit | diff
net: allow better page reuse in splice(sock -> pipe)

splice() from socket to pipe needs linear_to_page() helper to transfert
skb header to part of page.

We can reset the offset in the current sk->sk_sndmsg_page if we are the
last user of the page.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/skbuff.c diff | blob | blame | history