[PATCH] cpumask: uninline any_online_cpu()
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>
diff --git a/lib/cpumask.c b/lib/cpumask.c
index ea25a03..3a67dc5 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -31,3 +31,15 @@
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);