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-rw-r--r--mm/memory_hotplug.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index a221fac..5ea1287 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1618,6 +1618,7 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
{
return __offline_pages(start_pfn, start_pfn + nr_pages, 120 * HZ);
}
+#endif /* CONFIG_MEMORY_HOTREMOVE */
/**
* walk_memory_range - walks through all mem sections in [start_pfn, end_pfn)
@@ -1631,7 +1632,7 @@ int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
*
* Returns the return value of func.
*/
-static int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
+int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
void *arg, int (*func)(struct memory_block *, void *))
{
struct memory_block *mem = NULL;
@@ -1668,6 +1669,7 @@ static int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
return 0;
}
+#ifdef CONFIG_MEMORY_HOTREMOVE
/**
* offline_memory_block_cb - callback function for offlining memory block
* @mem: the memory block to be offlined
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