Date: Fri, 24 Sep 2004 12:04:06 +0200 From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=) To: Niels Heinen <niels.heinen@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Copy data from kernel to user space memory Message-ID: <xzp3c183rvt.fsf@dwp.des.no> In-Reply-To: <dea572790409230238858640@mail.gmail.com> (Niels Heinen's message of "Thu, 23 Sep 2004 11:38:28 %2B0200") References: <dea572790409230238858640@mail.gmail.com>
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Niels Heinen <niels.heinen@gmail.com> writes: > The module buffers packets and currently copies it into user memory > when its system call interface is used. At the moment my user space > application is the one that allocates the memory. I want the memory > to be allocated by the module in order to make things more efficient. You can't do that. The kernel allocates address space, not memory. It is up to the application to manage its address space as it sees fit. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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