On Fri, 2006-09-01 at 07:57 -0700, Dave Hansen wrote: > > +#define PG_state_change 21 /* HV page state is changing. */ > > +#define PG_discarded 22 /* HV page has been discarded. */ > > We're already desperately short on page flags on 32-bit architectures. > It seems a wee bit silly to add two arch-generic flags for what is a > very specialized arch-specific feature at this point. There are even three additional page flags if you apply the full set of patches. > I know that there are 32-bit s390 kernels, but would this be a > reasonable feature to restrict to only 64-bit kernels? That might be a > decent compromise. Yes, it is definitly an option to make this a 64-bit only features. In particular because the ESSA instruction that is used on s390 is only available in zarch mode (=64 bit). -- blue skies, Martin. Martin Schwidefsky Linux for zSeries Development & Services IBM Deutschland Entwicklung GmbH "Reality continues to ruin my life." - Calvin.
