[PATCH 2/3] mm/memory_hotplug: Export symbol mhp_supports_memmap_on_memory()

[Vishal Verma]

In preparation for the dax/kmem driver, which can be built as a module,
to use this interface, export it with EXPORT_SYMBOL_GPL().

Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Cc: Len Brown <lenb@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Dave Jiang <dave.jiang@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Signed-off-by: Vishal Verma <vishal.l.verma@xxxxxxxxx>
---
 mm/memory_hotplug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index bb3845830922..92922080d3fa 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1328,6 +1328,7 @@ bool mhp_supports_memmap_on_memory(unsigned long size, mhp_t mhp_flags)
 		       IS_ALIGNED(remaining_size, (pageblock_nr_pages << PAGE_SHIFT));
 	return false;
 }
+EXPORT_SYMBOL_GPL(mhp_supports_memmap_on_memory);
 
 /*
  * NOTE: The caller must call lock_device_hotplug() to serialize hotplug

-- 
2.40.1