x86: cope with no remap space being allocated for a numa node

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When allocating the pgdat's for numa nodes on x86_32 we attempt to place
them in the numa remap space for that node.  However should the node not
have any remap space allocated (such as due to having non-ram pages in
the remap location in the node) then we will incorrectly place the pgdat
at zero.  Check we have remap available, falling back to node 0 memory
where we do not.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Andy Whitcroft 2008-05-20 11:01:19 +01:00 • committed by Ingo Molnar

parent b9ada4281c

commit 84d6bd0e27

1 changed files with 1 additions and 1 deletions

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arch/x86/mm/discontig_32.c

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