[PATCH] mm: slab cache interleave rotor fix
The alien cache rotor in mm/slab.c assumes that the first online node is node 0. Eventually for some archs, especially with hotplug, this will no longer be true. Fix the interleave rotor to handle the general case of node numbering. Signed-off-by: Paul Jackson <pj@sgi.com> Acked-by: Christoph Lameter <clameter@engr.sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -830,7 +830,7 @@ static void init_reap_node(int cpu)
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node = next_node(cpu_to_node(cpu), node_online_map);
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node = next_node(cpu_to_node(cpu), node_online_map);
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if (node == MAX_NUMNODES)
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if (node == MAX_NUMNODES)
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node = 0;
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node = first_node(node_online_map);
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__get_cpu_var(reap_node) = node;
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__get_cpu_var(reap_node) = node;
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}
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}
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