identifying PC Simms

[William Donzelli]

> I've often wondered if any operating systems wash their pages. Having the
> idle loop perform a quick checksum on pages that aren't dirty to see if they
> are intact (and reload them from disk if they aren't) would seem like a good
> idea on non-ECC systems.

Most mainframes have done this since the 1980s. RS/6000s do this
as well (probably not AIX doing the work, but the memory controller).

William Donzelli
aw288 at osfn.org