powerpc: Fix DEBUG_HIGHMEM build break from d451564669
Code was added to mm/higmem.c that depends on several kmap types that powerpc does not support. We add dummy invalid definitions for KM_NMI, KM_NM_PTE, and KM_IRQ_PTE. According to list discussion, this fix should not be needed anymore starting with 2.6.33. The code is commented to this effect so hopefully we will remember to remove this. Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -29,5 +29,16 @@ enum km_type {
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KM_TYPE_NR
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};
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/*
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* This is a temporary build fix that (so they say on lkml....) should no longer
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* be required after 2.6.33, because of changes planned to the kmap code.
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* Let's try to remove this cruft then.
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*/
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#ifdef CONFIG_DEBUG_HIGHMEM
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#define KM_NMI (-1)
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#define KM_NMI_PTE (-1)
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#define KM_IRQ_PTE (-1)
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#endif
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_KMAP_TYPES_H */
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