diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/mm/init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index ae672f41c46..49ce6bb2c64 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -228,4 +228,16 @@ int arch_add_memory(int nid, u64 start, u64 size) vmem_remove_mapping(start, size); return rc; } + +#ifdef CONFIG_MEMORY_HOTREMOVE +int arch_remove_memory(u64 start, u64 size) +{ + /* + * There is no hardware or firmware interface which could trigger a + * hot memory remove on s390. So there is nothing that needs to be + * implemented. + */ + return -EBUSY; +} +#endif #endif /* CONFIG_MEMORY_HOTPLUG */ |