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SubjectRe: [Patch] numa: introduce CONFIG_NUMA_SYSFS for drivers/base/node.c
On Thu, 25 Aug 2011, Cong Wang wrote:

> > No, it doesn't work, CONFIG_HUGETLBFS can be enabled with CONFIG_NUMA=y
> > and CONFIG_SYSFS=n and that uses data structures from drivers/base/node.c
> > which doesn't get compiled with this patch.
>
> So, you mean with CONFIG_NUMA=y && CONFIG_SYSFS=n && CONFIG_HUGETLBFS=y
> we still get compile error?
>
> Which data structures are used by hugetlbfs?
>

node_states[], which is revealed at link time if you tried to compile your
patch. It's obvious that we don't want to add per-node hugetlbfs
attributes to sysfs directories if sysfs is disabled, so you need to
modify the hugetlbfs code as well.


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