Re: [Xen-ia64-devel] [PATCH] compliation work around for sparsemem

[Alex Williamson <alex.williamson@xxxxxx>]

On Wed, 2007-05-02 at 11:38 +0900, Isaku Yamahata wrote:
> On Wed, May 02, 2007 at 11:23:11AM +0900, Simon Horman wrote:
> > On Tue, May 01, 2007 at 06:28:08PM +0900, Isaku Yamahata wrote:
> > > sparsemem compilation work around.
> > > 
> > > NOTE:
> > > To compile with CONFIG_SPARSEMEM_MANUAL=y,
> > > CONFIG_NUMA=y and CONFIG_ACPI_NUMA=y are also needed.
> > > To compile with CONFIG_DISCONTIGMEM_MANUAL=y,
> > > CONFIG_DISCONTIG_MEM=y, CONFIG_VIRTUAL_MEM_MAP=y and CONFIG_NUMA=y
> > > are needed.
> > > These requirements are from vanilla linux. It's not xen-related issue.
> > 
> > Has this been resolved in newer kernels?
> 
> Linux 2.6.21.1 does have the same issue at least.
> No one thinks that spasemem/discontigmem without numa
> is usefull, I suppose.
> So it would be acceptable to prohibit such configration conbinations
> in Kconfig. (Or is someone working on it?)

   I hit the same annoying set of dependencies when I converted my
working tree to the generic config.  I think it would be worthwhile to
update the upstream Kconfig.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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