Re: [RFC][patch 0/2] mm: remove PageReserved

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Tuesday, 9 of August 2005 11:31, Nick Piggin wrote:
> Arjan van de Ven wrote:
> > On Tue, 2005-08-09 at 08:08 +0100, Russell King wrote:
> 
> >>Can we straighten out the terminology so it's less confusing please?
> >>
> > 
> > 
> > and..... can we make a general page_is_ram() function that does what it
> > says? on x86 it can go via the e820 table, other architectures can do
> > whatever they need....
> > 
> 
> That would be very helpful. That should cover the remaining (ab)users
> of PageReserved.
> 
> It would probably be fastest to implement this with a page flag,
> however if swsusp and ioremap are the only users then it shouldn't
> be a problem to go through slower lookups (and this would remove the
> need for the PageValidRAM flag that I had worried about earlier).

I think swsusp can be modified to use PageNosave only and everything
that is not to be touched by swsusp should be marked as no-save.

Greets,
Rafael


-- 
- Would you tell me, please, which way I ought to go from here?
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