diff options
| -rw-r--r-- | arch/powerpc/mm/mem.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 93a5c53e3423..f0a1fd268b7a 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -129,6 +129,22 @@ int __devinit arch_add_memory(int nid, u64 start, u64 size) return __add_pages(zone, start_pfn, nr_pages); } +#ifdef CONFIG_MEMORY_HOTREMOVE +int remove_memory(u64 start, u64 size) +{ + unsigned long start_pfn, end_pfn; + int ret; + + start_pfn = start >> PAGE_SHIFT; + end_pfn = start_pfn + (size >> PAGE_SHIFT); + ret = offline_pages(start_pfn, end_pfn, 120 * HZ); + if (ret) + goto out; + /* Arch-specific calls go here - next patch */ +out: + return ret; +} +#endif /* CONFIG_MEMORY_HOTREMOVE */ #endif /* CONFIG_MEMORY_HOTPLUG */ void show_mem(void) |