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s390/smp: get rid of compile warning

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Add missing #ifdep CONFIG_HOTPLUG_CPU to get rid of this one:
arch/s390/kernel/smp.c:229:13: warning: 'pcpu_free_lowcore'
                               defined but not used [-Wunused-function]

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2012-05-09 16:27:35 +02:00 committed by Martin Schwidefsky
parent 63291d401c
commit 9d0f46af3e
1 changed files with 4 additions and 0 deletions
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arch/s390/kernel/smp.c
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@ -226,6 +226,8 @@ static int __cpuinit pcpu_alloc_lowcore(struct pcpu *pcpu, int cpu)
return -ENOMEM;
}
#ifdef CONFIG_HOTPLUG_CPU
static void pcpu_free_lowcore(struct pcpu *pcpu)
{
pcpu_sigp_retry(pcpu, sigp_set_prefix, 0);
@ -247,6 +249,8 @@ static void pcpu_free_lowcore(struct pcpu *pcpu)
}
}
#endif /* CONFIG_HOTPLUG_CPU */
static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu)
{
struct _lowcore *lc = pcpu->lowcore;