Re: [Patch] x86_64 hot-add memroy srat.c fix

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On Mon, 2006-10-16 at 12:01 +0200, Andi Kleen wrote:
> On Saturday 07 October 2006 00:53, keith mannthey wrote:
> >   This patch corrects the logic used in srat.c to figure out what
> > parsing what action to take when registering hot-add areas.  Hot-add
> > areas should only be added to the node information for the
> > MEMORY_HOTPLGU_RESERVE case.  When booting MEMORY_HOTPLUG_SPARSE hot-add
> > areas on everything but the last node are getting include in the node
> > data and during kernel boot the pages are setup then the kernel dies
> > when the pages are used. This patch fixes this issue.  It is based
> > against 2.6.19-rc1.  
> 
> Added thanks, especially since it's a obvious typo.
Yea...  Something pre 2.6.19 was removing the e820 reserved area before
the nodes were brought online (and thus masking the problem during
testing). 

> If that patch was added to .19 does sparsemem hotadd work then or does it
> need more patches?

SPARSEMEM hot-add will work in .19 if this patch is applied.  

Thanks,
  Keith 

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