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Re: [Xen-devel] [PATCH] xen x86_64 and CONFIG_FLATMEM

On Tue, 2006-07-25 at 15:36 +0100, Keir Fraser wrote:
> On 19 Jul 2006, at 11:29, Mark McLoughlin wrote:
> >     With CONFIG_SPARSEMEM on xen x86_64, you get an oops in mem_init where
> > it references mem_map; mem_map is only initialized with CONFIG_FLATMEM.
> >
> >     Suggest a Kconfig change like the one attached?
> Perhaps better to forcibly disable CONFIG_NUMA if CONFIG_XEN is 
> enabled? We can't (yet) pick up NUMA info from Xen anyway, and it 
> probably enables a bunch of code that hasn't been much tested on Xen.

        NUMA is already disabled if CONFIG_XEN is enabled. But SPARSEMEM can be
enabled even without NUMA:

        def_bool y
-       depends on (NUMA || EXPERIMENTAL)
+       depends on (NUMA || EXPERIMENTAL) && !X86_64_XEN


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