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Message-ID: <20200615161927.12637-2-sjpark@amazon.com>
Date: Mon, 15 Jun 2020 18:19:14 +0200
From: SeongJae Park <sjpark@...zon.com>
To: <akpm@...ux-foundation.org>
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Subject: [PATCH v16 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules
From: SeongJae Park <sjpark@...zon.de>
This commit exports 'lookup_page_ext()' to GPL modules. It will be used
by DAMON in following commit for the implementation of the region based
sampling.
Signed-off-by: SeongJae Park <sjpark@...zon.de>
Reviewed-by: Leonard Foerster <foersleo@...zon.de>
Reviewed-by: Varad Gautam <vrd@...zon.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)
{
--
2.17.1
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