Messages in this thread Patch in this message | | | From | Paul Jackson <> | Date | Sun, 19 Mar 2006 00:58:13 -0800 | Subject | [PATCH] mm: slab cache interleave rotor fix |
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From: Paul Jackson <pj@sgi.com>
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>
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mm/slab.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-)
--- 2.6.16-rc6-mm2.orig/mm/slab.c 2006-03-18 21:40:42.465283732 -0800 +++ 2.6.16-rc6-mm2/mm/slab.c 2006-03-18 21:53:10.440761398 -0800 @@ -835,7 +835,7 @@ 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; } -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson <pj@sgi.com> 1.650.933.1373 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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