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Diffstat (limited to 'mm')
-rw-r--r--mm/memory_hotplug.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index ce690a911f1b..dfc0a6134c7c 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -874,7 +874,7 @@ check_pages_isolated(unsigned long start_pfn, unsigned long end_pfn)
return offlined;
}
-static int __ref offline_pages(unsigned long start_pfn,
+static int __ref __offline_pages(unsigned long start_pfn,
unsigned long end_pfn, unsigned long timeout)
{
unsigned long pfn, nr_pages, expire;
@@ -1007,15 +1007,24 @@ out:
return ret;
}
+int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
+{
+ return __offline_pages(start_pfn, start_pfn + nr_pages, 120 * HZ);
+}
+
int remove_memory(u64 start, u64 size)
{
unsigned long start_pfn, end_pfn;
start_pfn = PFN_DOWN(start);
end_pfn = start_pfn + PFN_DOWN(size);
- return offline_pages(start_pfn, end_pfn, 120 * HZ);
+ return __offline_pages(start_pfn, end_pfn, 120 * HZ);
}
#else
+int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
+{
+ return -EINVAL;
+}
int remove_memory(u64 start, u64 size)
{
return -EINVAL;