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[PATCH] cpumask: uninline any_online_cpu()

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text    data     bss     dec     hex filename
before: 3605597 1363528  363328 5332453  515de5 vmlinux
after:  3605295 1363612  363200 5332107  515c8b vmlinux

218 bytes saved.

Also, optimise any_online_cpu() out of existence on CONFIG_SMP=n.

This function seems inefficient.  Can't we simply AND the two masks, then use
find_first_bit()?

Cc: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton
2006-03-25 03:08:10 -08:00
committed by Linus Torvalds
parent 8630282070
commit 96a9b4d31e
2 changed files with 15 additions and 10 deletions
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12
lib/cpumask.c
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@@ -31,3 +31,15 @@ int highest_possible_processor_id(void)
return highest;
}
EXPORT_SYMBOL(highest_possible_processor_id);
int __any_online_cpu(const cpumask_t *mask)
{
int cpu;
for_each_cpu_mask(cpu, *mask) {
if (cpu_online(cpu))
break;
}
return cpu;
}
EXPORT_SYMBOL(__any_online_cpu);