Re: [stable] 2.6.23 boot failures on x86-64.

[Siddha, Suresh B]

On Mon, Oct 29, 2007 at 11:37:40AM -0700, Linus Torvalds wrote:
> 
> 
> On Mon, 29 Oct 2007, Greg KH wrote:
> > 
> > I'll be glad to revert it in -stable, if it's also reverted in Linus's
> > tree first :)
> 
> We've had some changes since 2.6.23, and afaik, the 
> "alloc_bootmem_high_node()" code is alreadt effectively dead there. It's 
> only called if CONFIG_SPARSEMEM_VMEMMAP is *not* enabled, and I *think* we 
> enable it by force on x86-64 these days.

If so, we(Nanhai and myself) will take a look at VMEMMAP changes and see if
the bug that the commit 2e1c49db4c640b35df13889b86b9d62215ade4b6 tries to fix is
still open in the latest git.

But I can't explain how 2e1c49db4c640b35df13889b86b9d62215ade4b6 can be
the root cause of Dave's issue in 2.6.23.

thanks,
suresh
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