Re: [PATCH] ARM: fix bug which lowmem size is limited to 760MB

[Russell King - ARM Linux]

On Mon, Sep 07, 2015 at 03:40:36PM -0400, Nicolas Pitre wrote:
> On Mon, 7 Sep 2015, Arnd Bergmann wrote:
> 
> > On Thursday 03 September 2015 21:24:00 Nicolas Pitre wrote:
> > > If 768MB targets were common place then it could be worth changing the 
> > > default vmalloc size to accommodate this memory size and testing all the 
> > > other targets to make sure no regressions are introduced.  But given it 
> > > is easy to change the default via the kernel cmdline, and that you lose 
> > > only 8 MB otherwise, I don't think it is worth the trouble and/or the 
> > > risk.
> > 
> > Agreed.
> 
> Well... I think there is a better solution.

Doesn't this clash with things like:

#define UNCACHEABLE_ADDR        0xff000000      /* IRQ_STAT */

?

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