aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--arch/ia64/mm/init.c12
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