Re: [RFC][patch 0/2] mm: remove PageReserved
From: Rafael J. Wysocki
Date: Tue Aug 09 2005 - 05:19:36 EST
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.
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
-- Lewis Carroll "Alice's Adventures in Wonderland"
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/