* Yinghai Lu <yhlu.kernel@gmail.com> wrote:

quoted text
> >  > OK.  Did the new memtest feature get documented anywhere, btw?  
> >  > I'm only vaguely aware of its existence.
> >
> >  Actually it would be nice if memtest was global, not x86-specific, 
> >  feature.
> >
> >  I had some fun with arm running with 256mb, when only 128mb was 
> >  present. It booted succesfully...
> 
> depends if you have find_e820_area_size in you platform. that need 
> reserve_early...
> 
> maybe we need to make reserve_early generic at first.

e820 is very x86 specific - i think the proper interface would be to 
move the memtest feature to the bootmem subsystem. I.e. to run it once 
all the early reservations have been flushed into bootmem - but before 
we free all bootmem pages into the page allocator.

this still leaves a rather large amount of RAM to be tested, and keeps 
it all cross-arch as well. Hm?

	Ingo
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