On Wed, 10 Mar 1999 00:27:36 +0200, Itai Nahshon <nahshon@actcom.co.il>
said:
> Some discussions on this thread made me more
> curiuos... (sorry if that's a really dumb question).
> I see that the text section of executable files
> or shared objects is mmapped as private.
Yes...
> Will pages that are not modified still be shared?
Absolutely.
> If swapping takes place, will clean pages go to the swap
> space or are they simply discarded (and reloaded
> on demand from the file?
They are just thrown out and repaged from the original file as
necessary. This is required semantics: until a MAP_PRIVATE page gets
modified, the kernel guarantees that the page continues to reflect the
latest contents of the file if the file is modified.
--Stephen
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/