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s390/mm: make vmemmap_free() only for CONFIG_MEMORY_HOTPLUG available

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Get rid of this W=1 compile warning:

arch/s390/mm/vmem.c:502:6: warning: no previous prototype for ‘vmemmap_free’ [-Wmissing-prototypes]
  502 | void vmemmap_free(unsigned long start, unsigned long end,
      |      ^~~~~~~~~~~~

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2023-10-16 12:17:59 +02:00 committed by Vasily Gorbik
parent 7bc8b8eb2b
commit 4f62c6e301
1 changed files with 4 additions and 0 deletions
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4
arch/s390/mm/vmem.c
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@ -499,6 +499,8 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
return ret;
}
#ifdef CONFIG_MEMORY_HOTPLUG
void vmemmap_free(unsigned long start, unsigned long end,
struct vmem_altmap *altmap)
{
@ -507,6 +509,8 @@ void vmemmap_free(unsigned long start, unsigned long end,
mutex_unlock(&vmem_mutex);
}
#endif
void vmem_remove_mapping(unsigned long start, unsigned long size)
{
mutex_lock(&vmem_mutex);