diff options
| -rw-r--r-- | arch/ia64/mm/init.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index a096b30734f..947ec0c7323 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -721,7 +721,17 @@ int arch_add_memory(int nid, u64 start, u64 size) int remove_memory(u64 start, u64 size) { - return -EINVAL; + unsigned long start_pfn, end_pfn; + unsigned long timeout = 120 * HZ; + int ret; + start_pfn = start >> PAGE_SHIFT; + end_pfn = start_pfn + (size >> PAGE_SHIFT); + ret = offline_pages(start_pfn, end_pfn, timeout); + if (ret) + goto out; + /* we can free mem_map at this point */ +out: + return ret; } EXPORT_SYMBOL_GPL(remove_memory); #endif |