Re: [PATCH v15 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules

From: <vrd@amazon.com>
To: SeongJae Park <sjpark@amazon.com>, <akpm@linux-foundation.org>
Cc: SeongJae Park <sjpark@amazon.de>, <Jonathan.Cameron@Huawei.com>,
	<aarcange@redhat.com>, <acme@kernel.org>,
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	<vdavydov.dev@gmail.com>, <yang.shi@linux.alibaba.com>,
	<ying.huang@intel.com>, <david@redhat.com>,
	<linux-damon@amazon.com>, <linux-mm@kvack.org>,
	<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v15 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules
Date: Wed, 10 Jun 2020 22:13:34 +0200	[thread overview]
Message-ID: <e6d6f74f-0ff5-e4f3-7b6b-9ff0ce5b4f48@amazon.com> (raw)
In-Reply-To: <20200608114047.26589-2-sjpark@amazon.com>

On 6/8/20 1:40 PM, SeongJae Park wrote:
> From: SeongJae Park <sjpark@amazon.de>
> 
> This commit exports 'lookup_page_ext()' to GPL modules.  This will be
> used by DAMON.
> 
> Signed-off-by: SeongJae Park <sjpark@amazon.de>
> Reviewed-by: Leonard Foerster <foersleo@amazon.de>

Reviewed-by: Varad Gautam <vrd@amazon.de>

> ---
>  mm/page_ext.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/mm/page_ext.c b/mm/page_ext.c
> index a3616f7a0e9e..9d802d01fcb5 100644
> --- a/mm/page_ext.c
> +++ b/mm/page_ext.c
> @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
>  					MAX_ORDER_NR_PAGES);
>  	return get_entry(base, index);
>  }
> +EXPORT_SYMBOL_GPL(lookup_page_ext);
>  
>  static int __init alloc_node_page_ext(int nid)
>  {
> 

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