Re: Linux Zero Copy
From: Jamie Lokier (email@example.com)
Date: Wed Aug 13 2003 - 11:10:02 EST
Nagendra Singh Tomar wrote:
> Code walkthru of Linux 2.4.18 kernel reveals that we do copy from user
> space for both linear and nonlinear skbuffs. What is this zerocopy thing
> then ?
Take a look at the sendfile() system call. There is no user space
data; it can do zerocopy from the page cache.
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