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authorAndrew Morton <akpm@osdl.org>2006-03-25 06:08:09 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 11:23:00 -0500
commit8630282070b4a52b12cfa514ba8558e2f3d56360 (patch)
treecf648185ccc0a0ba4e7cf752c1c09a0272a6d192 /lib
parent3d18bd74a22d0bed3bc81fc64c4ba6344a10f155 (diff)
[PATCH] cpumask: uninline highest_possible_processor_id()
Shrinks the only caller (net/bridge/netfilter/ebtables.c) by 174 bytes. Also, optimise highest_possible_processor_id() out of existence on CONFIG_SMP=n. Cc: 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.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c
index ba2f8543052c..ea25a034276c 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -14,3 +14,20 @@ int __next_cpu(int n, const cpumask_t *srcp)
14 return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1)); 14 return min_t(int, NR_CPUS, find_next_bit(srcp->bits, NR_CPUS, n+1));
15} 15}
16EXPORT_SYMBOL(__next_cpu); 16EXPORT_SYMBOL(__next_cpu);
17
18/*
19 * Find the highest possible smp_processor_id()
20 *
21 * Note: if we're prepared to assume that cpu_possible_map never changes
22 * (reasonable) then this function should cache its return value.
23 */
24int highest_possible_processor_id(void)
25{
26 unsigned int cpu;
27 unsigned highest = 0;
28
29 for_each_cpu_mask(cpu, cpu_possible_map)
30 highest = cpu;
31 return highest;
32}
33EXPORT_SYMBOL(highest_possible_processor_id);