Re: Linux Zero Copy

From: Jeff Garzik (
Date: Fri Aug 15 2003 - 08:28:56 EST

David S. Miller wrote:
I just can't
fill a buffer in userland and expect it to be sent via Zero Copy.

Sure you can, create a temporary file, mmap() it into your
address space, use that mmap()'d area as a local buffer
and use sendfile() on that file to send the data over the socket.

Or create a file on ramfs and sendfile(2) it.


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