[PATCH v2 05/29] mm/balloon_compaction: make PageOffline sticky until the page is freed

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Let the page freeing code handle clearing the page type. Being able to
identify balloon pages until actually freed is a requirement for
upcoming movable_ops migration changes.

Acked-by: Zi Yan <ziy@xxxxxxxxxx>
Acked-by: Harry Yoo <harry.yoo@xxxxxxxxxx>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
---
 include/linux/balloon_compaction.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index b9f19da37b089..bfc6e50bd004b 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -140,7 +140,7 @@ static inline void balloon_page_finalize(struct page *page)
 		__ClearPageMovable(page);
 		set_page_private(page, 0);
 	}
-	__ClearPageOffline(page);
+	/* PageOffline is sticky until the page is freed to the buddy. */
 }
 
 /*
-- 
2.49.0





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