On Mon, Jun 24, 2002 at 01:17:03 -0500, Mike Silbersack wrote:
> On Sun, 23 Jun 2002, Kenneth D. Merry wrote:
> > I'm planning on checking in the zero copy sockets code Tuesday evening,
> > MDT.  If there are any concerns, I'm more than willing to delay it.
> Out of curiousity, what happens when the page being write()n is a mmap'd
> page shared by multiple processes?  Will the page be shared?  That could
> be a big reduction in mbuf cluster usage on some http/ftp systems, I'd
> guess.

The page would be shared, until one of the processes decides to write to it
while it is still referenced in the kernel.  If that happens, it'll get

Kenneth Merry

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