aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorGreg Banks <gnb@melbourne.sgi.com>2006-10-02 05:17:39 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 10:57:17 -0400
commit0f532f3861d2c4e5aa7dcd33fb18e9975eb28457 (patch)
tree4b4cf436bbc94a1659fdb25314ff7b17624e80a1 /lib
parentca8af486765852302931bb69075871d5564e1e5b (diff)
[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')
-rw-r--r--lib/cpumask.c16
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)
43 return cpu; 43 return cpu;
44} 44}
45EXPORT_SYMBOL(__any_online_cpu); 45EXPORT_SYMBOL(__any_online_cpu);
46
47#if MAX_NUMNODES > 1
48/*
49 * Find the highest possible node id.
50 */
51int highest_possible_node_id(void)
52{
53 unsigned int node;
54 unsigned int highest = 0;
55
56 for_each_node_mask(node, node_possible_map)
57 highest = node;
58 return highest;
59}
60EXPORT_SYMBOL(highest_possible_node_id);
61#endif