Re: mergemem: announce & design issues

Regis Duchesne (regis@via.ecp.fr)
Tue, 17 Mar 1998 13:11:15 +0100 (CET)


> 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.

I wouldn't see a process crash because the checkums were the same and the
pages weren't.

Regards,

Regis "HPReg" Duchesne - Engineering Student at ***** ******** *****
www http://www.via.ecp.fr/~regis/
(O o) I use Linux & 3Com (1135 KB/s over 10Mb/s ethernet)
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