From: Herbert Xu <[EMAIL PROTECTED]> Date: Fri, 2 Sep 2005 10:43:40 +1000
> I've finally found a potential cause of the sk_forward_alloc underflows > that people have been reporting sporadically. > > When tcp_sendmsg tacks on extra bits to an existing TCP_PAGE we don't > check sk_forward_alloc even though a large amount of time may have > elapsed since we allocated the page. In the mean time someone could've > come along and liberated packets and reclaimed sk_forward_alloc memory. > > This patch makes tcp_sendmsg check sk_forward_alloc every time as we > do in do_tcp_sendpages. > > Signed-off-by: Herbert Xu <[EMAIL PROTECTED]> Ugh, good catch, both patches applied. I think this is a 2.6.13.1 stable tree candidate, can you forward this thusly to [EMAIL PROTECTED] Thanks a lot. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
