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SubjectRe: [PATCH] Make CONFIG_MIGRATION available for s390
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On Sat, 2008-07-05 at 15:14 +0900, Yasunori Goto wrote:
> > > config MIGRATION
> > > bool "Page migration"
> > > def_bool y
> > > - depends on NUMA
> > > + depends on NUMA || S390
>
> Hmm. I think ARCH_ENABLE_MEMORY_HOTREMOVE is better than S390.

Right, that makes more sense. I also noticed that my patch will produce
a compile error when CONFIG_NUMA is set but CONFIG_MIGRATION is not,
because policy_zone is missing in that case. Since policy_zone is only
used for NUMA, a better solution would be to use an "#ifdef CONFIG_NUMA"
within vma_migratable(). I will send a new version of the patch.

Thanks,
Gerald




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