30 Sep
2005
30 Sep
'05
6:07 p.m.
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