Messages in this thread | | | Date | Sat, 9 Aug 2003 02:51:40 +0100 | From | Jamie Lokier <> | Subject | Re: sendfile system call on tmpfs |
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Hugh Dickins wrote: > The 2.4 tmpfs did not support sendfile (or loop) until 2.4.22-pre3, > so Red Hat's 2.4.20-13.9smp won't do it.
Oh. Does this mean that it is faster to serve program-generated data by mmaping an ext3 file and using sendfile() on that, than to call write() from anonymous memory? The former does zero-copy, the latter doesn't. Unfortunately the former might write to disk, though you don't want it too.
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