linux-kernel - Re: [PATCH 2/3] mm/memory_hotplug: Export symbol mhp_supports_memmap_on

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Message-ID: <a40fe0a5-589f-0c65-ba57-9eb18cf54730@redhat.com>
Date:   Fri, 16 Jun 2023 09:47:47 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Vishal Verma <vishal.l.verma@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Jiang <dave.jiang@...el.com>
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, nvdimm@...ts.linux.dev,
        linux-cxl@...r.kernel.org, Huang Ying <ying.huang@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>
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" <rafael@...nel.org>
> Cc: Len Brown <lenb@...nel.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: Oscar Salvador <osalvador@...e.de>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Dave Jiang <dave.jiang@...el.com>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: Huang Ying <ying.huang@...el.com>
> Signed-off-by: Vishal Verma <vishal.l.verma@...el.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@...hat.com>

-- 
Cheers,

David / dhildenb