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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 <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>
This commit is contained in:
Paul Jackson 2006-03-22 00:09:11 -08:00 committed by Linus Torvalds
parent fdb7cc5908
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); node = next_node(cpu_to_node(cpu), node_online_map);
if (node == MAX_NUMNODES) if (node == MAX_NUMNODES)
node = 0; node = first_node(node_online_map);
__get_cpu_var(reap_node) = node; __get_cpu_var(reap_node) = node;
} }