From: Nagendra Tomar <tomer_iisc@yahoo.com>
Date: Wed, 19 Sep 2007 04:13:24 -0700 (PDT)

quoted text
> With the SOCK_NOSPACE check in tcp_check_space(), this epoll_wait call will 
> not return, even when the incoming acks free the buffers.
>         Note that this patch assumes that the SOCK_NOSPACE check in
> tcp_check_space is a trivial optimization which can be safely removed.

I think the more correct fix is to fix whoever isn't
setting the SOCK_NOSPACE bit, that check really is
crucial.
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