Re: mergemem: announce & design issues

Philipp Reisner (e9525415@student.tuwien.ac.at)
Tue, 17 Mar 1998 15:06:55 +0100

Regis Duchesne wrote:
>
> > Mergemem can merge this anonymous mappings of already running processes.
> This concept is quite interesting
>
> > *) If two equal pages are found, map one of them to the vm of both
> > processes, and free the spare page. (done in kernel-land)
> What do you mean by "two equal pages"? Do you only compare both checksums?
> I hope that when checksums match, you compare both entire pages too, so
> that the checksum is used as a hashcode only.

Of course, the module is comparing the pages with memcmp
(see the function in the original posting, it is taken from the module)

Yours Philipp.

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