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[PATCH] Reintroduce NODES_SPAN_OTHER_NODES for powerpc

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Reintroduce NODES_SPAN_OTHER_NODES for powerpc

Revert "[PATCH] Remove SPAN_OTHER_NODES config definition"
    This reverts commit f62859bb68.
Revert "[PATCH] mm: remove arch independent NODES_SPAN_OTHER_NODES"
    This reverts commit a94b3ab7ea.

Also update the comments to indicate that this is still required
and where its used.

Signed-off-by: Andy Whitcroft <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Mike Kravetz <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Acked-by: Will Schmidt <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Andy Whitcroft 2006-10-21 10:24:14 -07:00 • committed by Linus Torvalds
commit 7516795739
4 changed files with 18 additions and 0 deletions
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6
include/linux/mmzone.h
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@ -674,6 +674,12 @@ void sparse_init(void);
#define sparse_index_init(_sec, _nid) do {} while (0)
#endif /* CONFIG_SPARSEMEM */
#ifdef CONFIG_NODES_SPAN_OTHER_NODES
#define early_pfn_in_nid(pfn, nid) (early_pfn_to_nid(pfn) == (nid))
#else
#define early_pfn_in_nid(pfn, nid) (1)
#endif
#ifndef early_pfn_valid
#define early_pfn_valid(pfn) (1)
#endif