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[PATCH] mm: slab cache interleave rotor fix

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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 <[email protected]>
Acked-by: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Paul Jackson 2006-03-22 00:09:11 -08:00 • committed by Linus Torvalds
commit 442295c94b
1 changed files with 1 additions and 1 deletions
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mm/slab.c
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@ -830,7 +830,7 @@ static void init_reap_node(int cpu)
node = next_node(cpu_to_node(cpu), node_online_map);
if (node == MAX_NUMNODES)
node = 0;
node = first_node(node_online_map);
__get_cpu_var(reap_node) = node;
}