diff options
| author | Andrew Morton <akpm@osdl.org> | 2004-03-11 16:15:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-03-11 16:15:08 -0800 |
| commit | 0eaf393b6b6ec017f48aa02ba90b1dd53ad16e65 (patch) | |
| tree | 063a56f0a9ff9f4fb4bc097817292cf598f9b1db /include/linux | |
| parent | 290d11d8c745f4bba07c13ee231976103dad2935 (diff) | |
[PATCH] NUMA-aware zonelist builder
From: <j-nomura@ce.jp.nec.com>
The attached patch is NUMA-aware zonelist builder patch, which sorts
zonelist in the order that near-node first, far-node last. In lse-tech and
linux-ia64, where most of NUMA people resides, no objections are raised so
far.
The patch adds NUMA-specific version of build_zonelists which calls
find_next_best_node to select the next-nearest node to add to zonelist.
The patch has no effect on flat NUMA platform.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/topology.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h index 5f7543009717..a78a177137d5 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -54,4 +54,11 @@ static inline int __next_node_with_cpus(int node) #define for_each_node_with_cpus(node) \ for (node = 0; node < numnodes; node = __next_node_with_cpus(node)) +#ifndef node_distance +#define node_distance(from,to) (from != to) +#endif +#ifndef PENALTY_FOR_NODE_WITH_CPUS +#define PENALTY_FOR_NODE_WITH_CPUS (1) +#endif + #endif /* _LINUX_TOPOLOGY_H */ |