Subject: Re: Experimental zero-copy for TCP and UDP transmit-side
To: Tomas Svensson <firstname.lastname@example.org>
From: enami tsugutomo <email@example.com>
Date: 05/13/2002 12:57:43
Tomas Svensson <firstname.lastname@example.org> writes:
> lukemftpd can't utilize zero-copy by default? It's not using mmap()
> and it's overwriting it's buffer immediately after write() returns.
> I started to change ftpd into using mmap() but it made the kernel crash
> (only if I used SOSEND_LOAN).
I've modified our ftpd to use mmap() and found a uvm_loan bug.