2023-06-15 22:15:49

by Verma, Vishal L

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

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" <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Dave Jiang <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Huang Ying <[email protected]>
Signed-off-by: Vishal Verma <[email protected]>
---
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

2023-06-16 07:56:25

by David Hildenbrand

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

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" <[email protected]>
> Cc: Len Brown <[email protected]>
> Cc: Andrew Morton <[email protected]>
> Cc: David Hildenbrand <[email protected]>
> Cc: Oscar Salvador <[email protected]>
> Cc: Dan Williams <[email protected]>
> Cc: Dave Jiang <[email protected]>
> Cc: Dave Hansen <[email protected]>
> Cc: Huang Ying <[email protected]>
> Signed-off-by: Vishal Verma <[email protected]>
> ---
> 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 <[email protected]>

--
Cheers,

David / dhildenb