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Diffstat (limited to 'mm')
-rw-r--r--mm/balloon_compaction.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index 907fefde2572..4b8eab4b3f45 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -203,7 +203,7 @@ EXPORT_SYMBOL_GPL(balloon_page_dequeue);
 
 #ifdef CONFIG_BALLOON_COMPACTION
 
-bool balloon_page_isolate(struct page *page, isolate_mode_t mode)
+static bool balloon_page_isolate(struct page *page, isolate_mode_t mode)
 
 {
 	struct balloon_dev_info *b_dev_info = balloon_page_device(page);
@@ -217,7 +217,7 @@ bool balloon_page_isolate(struct page *page, isolate_mode_t mode)
 	return true;
 }
 
-void balloon_page_putback(struct page *page)
+static void balloon_page_putback(struct page *page)
 {
 	struct balloon_dev_info *b_dev_info = balloon_page_device(page);
 	unsigned long flags;
@@ -230,7 +230,7 @@ void balloon_page_putback(struct page *page)
 
 
 /* move_to_new_page() counterpart for a ballooned page */
-int balloon_page_migrate(struct address_space *mapping,
+static int balloon_page_migrate(struct address_space *mapping,
 		struct page *newpage, struct page *page,
 		enum migrate_mode mode)
 {