[PATCH] hotplug CPU: clean up hotcpu_notifier() use

There was lots of #ifdef noise in the kernel due to hotcpu_notifier(fn,
prio) not correctly marking 'fn' as used in the !HOTPLUG_CPU case, and thus
generating compiler warnings of unused symbols, hence forcing people to add
#ifdefs.

the compiler can skip truly unused functions just fine:

    text    data     bss     dec     hex filename
 1624412  728710 3674856 6027978  5bfaca vmlinux.before
 1624412  728710 3674856 6027978  5bfaca vmlinux.after

[[email protected]: topology.c fix]
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ingo Molnar 2006-12-06 20:38:17 -08:00 • committed by Linus Torvalds
commit 0231606785
25 changed files with 8 additions and 56 deletions

View file

@ -996,7 +996,6 @@ static __init void radix_tree_init_maxindex(void)
height_to_maxindex[i] = __maxindex(i);
}
#ifdef CONFIG_HOTPLUG_CPU
static int radix_tree_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
@ -1016,7 +1015,6 @@ static int radix_tree_callback(struct notifier_block *nfb,
}
return NOTIFY_OK;
}
#endif /* CONFIG_HOTPLUG_CPU */
void __init radix_tree_init(void)
{