[PATCH 185/222] tcp: fix MSG_SENDPAGE_NOTLAST logic

[David Miller]

From: Ben Hutchings <ben at decadent.org.uk>
Date: Fri, 01 Feb 2013 18:40:57 +0100

> On Wed, 2013-01-16 at 13:56 -0200, Herton Ronaldo Krzesinski wrote:
>> 3.5.7.3 -stable review patch.  If anyone has any objections, please let me know.
>> 
>> ------------------
>> 
>> From: Eric Dumazet <edumazet at google.com>
>> 
>> commit ae62ca7b03217be5e74759dc6d7698c95df498b3 upstream.
>> 
>> commit 35f9c09fe9c72e (tcp: tcp_sendpages() should call tcp_push() once)
>> added an internal flag : MSG_SENDPAGE_NOTLAST meant to be set on all
>> frags but the last one for a splice() call.
> [...]
> 
> David, I think this is needed for 3.0 and 3.2 as well since
> 35f9c09fe9c72e was backported to them.  You previously included it in
> updates for 3.4 and 3.7.

Ok, queued up, thanks.