Re: Since no one else has stepped forward: 'ZeroD' patch

Ingo Molnar (mingo@pc5829.hil.siemens.at)
Wed, 8 Jan 1997 20:39:32 +0100 (MET)


On Wed, 8 Jan 1997, Andi Kleen wrote:

> Just a part, until its zero-page-pool is full. The patch uses
> a size of 50 pages. Bad interactions with the 1nd./2nd. level
> cache could still happen though [...]

not in the ZeroD case as far as i'm aware of, but the ECCd patch causes
cache trashing. The current ECCd uses all available idle CPU time, which
isnt too good, the next version will sleep for a jiffy or two before it
iterates to the next page to be checked.

-- mingo