Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: [patch 3/9] Guest page hinting: volatile page cache. | From | Dave Hansen <> | Date | Fri, 01 Sep 2006 07:57:47 -0700 |
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On Fri, 2006-09-01 at 13:09 +0200, Martin Schwidefsky 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.
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.
-- Dave
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