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powerpc: Fix DEBUG_HIGHMEM build break from d451564669

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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>
This commit is contained in:
Becky Bruce 2009-11-23 12:28:53 +00:00 committed by Benjamin Herrenschmidt
parent a8a8a669ea
commit e8105903d7
1 changed files with 11 additions and 0 deletions
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11
arch/powerpc/include/asm/kmap_types.h
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@ -29,5 +29,16 @@ enum km_type {
KM_TYPE_NR
};
/*
* This is a temporary build fix that (so they say on lkml....) should no longer
* be required after 2.6.33, because of changes planned to the kmap code.
* Let's try to remove this cruft then.
*/
#ifdef CONFIG_DEBUG_HIGHMEM
#define KM_NMI (-1)
#define KM_NMI_PTE (-1)
#define KM_IRQ_PTE (-1)
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_KMAP_TYPES_H */