Re: r996 - in trunk/kernel/ia64/kernel-patch-2.6.7-ia64-2.6.7: . debian

On Tuesday, August 10, 2004 12:14 am, Christoph Hellwig wrote:
> > -diff -urN kernel-source-2.6.2.orig/arch/ia64/sn/Makefile
> > kernel-source-2.6.2/arch/ia64/sn/Makefile ----
> > kernel-source-2.6.2.orig/arch/ia64/sn/Makefile	2004-02-05
> > 01:19:28.000000000 -0700 -+++
> > kernel-source-2.6.2/arch/ia64/sn/Makefile	2004-02-15 01:38:43.000000000
> > -0700 -@@ -9,4 +9,4 @@
> > - # Makefile for the sn ia64 subplatform
> > - #
> > -
> > --obj-y += kernel/ io/
> > -+obj-$(CONFIG_DISCONTIGMEM) += kernel/ io/
> >
> > Copied: trunk/kernel/ia64/kernel-patch-2.6.7-ia64-2.6.7/up-fix.patch
> > (from rev 995,
> > trunk/kernel/ia64/kernel-patch-2.6.7-ia64-2.6.7/patch1.diff)

This little bit in particular doesn't make much sense to me.  
arch/ia64/sn/Makefile won't even be called unless we're building a generic 
kernel or an sn2 kernel, so why make it depend on config_discontigmem?  So 
you can build a generic-but-not-quite-generic kernel by turning off 
config_discontigmem?  I think there's a patch like this in the Fedora tree as 
well, it doesn't make sense there either, but Arjan wanted it so that we 
could benchmark the effect of turning on config_discontigmem in a generic 
kernel (it wasn't measurable).

Thanks,
Jesse
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