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| author | Greg Banks <gnb@melbourne.sgi.com> | 2006-10-02 02:17:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-02 07:57:17 -0700 |
| commit | 0f532f3861d2c4e5aa7dcd33fb18e9975eb28457 (patch) | |
| tree | 4b4cf436bbc94a1659fdb25314ff7b17624e80a1 /lib/cpumask.c | |
| parent | ca8af486765852302931bb69075871d5564e1e5b (diff) | |
| download | lwn-0f532f3861d2c4e5aa7dcd33fb18e9975eb28457.tar.gz lwn-0f532f3861d2c4e5aa7dcd33fb18e9975eb28457.zip | |
[PATCH] cpumask: add highest_possible_node_id
cpumask: add highest_possible_node_id(), analogous to
highest_possible_processor_id().
[pj@sgi.com: fix typo]
Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib/cpumask.c')
| -rw-r--r-- | lib/cpumask.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c index 3a67dc5ada7d..7a2a73f88d59 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -43,3 +43,19 @@ int __any_online_cpu(const cpumask_t *mask) return cpu; } EXPORT_SYMBOL(__any_online_cpu); + +#if MAX_NUMNODES > 1 +/* + * Find the highest possible node id. + */ +int highest_possible_node_id(void) +{ + unsigned int node; + unsigned int highest = 0; + + for_each_node_mask(node, node_possible_map) + highest = node; + return highest; +} +EXPORT_SYMBOL(highest_possible_node_id); +#endif |