Commit 442295c9 authored Mar 22, 2006 by Paul Jackson Committed by Linus Torvalds Mar 22, 2006

[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>

parent fdb7cc59

mm/slab.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}

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