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@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
---
 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

On 16.06.23 00:00, Vishal Verma wrote:
> 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@kernel.org>
> Cc: Len Brown <lenb@kernel.org>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: David Hildenbrand <david@redhat.com>
> Cc: Oscar Salvador <osalvador@suse.de>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Dave Jiang <dave.jiang@intel.com>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: Huang Ying <ying.huang@intel.com>
> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
> ---
>   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
> 

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb