[Fedora-ia64-list] RFC: Thoughts on SPARSE memory

[Jes Sorensen]

Prarit Bhargava wrote:
> 
>>
>> I'm going to submit a patch today to flip SPARSE config on.
>>
> Jes Sorensen has asked that I wait a few days before doing this.  Until
> then, could I ask that Fujitsu and HP try building and running kernels
> with SPARSE config on and maybe run LTP and/or LSB (I will do the same
> on an SGI box at RH) ?
> 
> It would be useful to know if there are any issues found by running
> those two test suites....

My main issue is to make sure this doesn't hit some strange config
case on Altix. Hence I'd like to have it looked over before we decide
to migrate.

Anyone done any benchmarks to see if there's any measurable impact?

Cheers,
Jes