[v8,02/15] mm/page_ext: Export lookup_page_ext() to GPL modules
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Message ID 20200406130938.14066-3-sjpark@amazon.com
State New
Headers show
Series
  • Introduce Data Access MONitor (DAMON)
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Commit Message

SeongJae Park April 6, 2020, 1:09 p.m. UTC
From: SeongJae Park <sjpark@amazon.de>

This commit exports 'lookup_page_ext()' to GPL modules.  This will be
used by DAMON.

This reverts commit a50179d0e22931032aa56718cd069b0ec74974c6.

Signed-off-by: SeongJae Park <sjpark@amazon.de>
---
 mm/page_ext.c | 1 +
 1 file changed, 1 insertion(+)

Patch
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diff --git a/mm/page_ext.c b/mm/page_ext.c
index 4ade843ff588..71169b45bba9 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)
 {