[PATCH] mm: Add blank line to make the layout of the program clearer

[XU pengfei <xupengfei@nfschina.com>]

Add blank line to make the layout of the program clearer

Signed-off-by: XU pengfei <xupengfei@nfschina.com>
---
 mm/page_isolation.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index d200d41ad0d3..b5ec13fcfacd 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -213,6 +213,7 @@ static void unset_migratetype_isolate(struct page *page, int migratetype)
 
 	zone = page_zone(page);
 	spin_lock_irqsave(&zone->lock, flags);
+
 	if (!is_migrate_isolate_page(page))
 		goto out;
 
@@ -255,9 +256,11 @@ static void unset_migratetype_isolate(struct page *page, int migratetype)
 		nr_pages = move_freepages_block(zone, page, migratetype, NULL);
 		__mod_zone_freepage_state(zone, nr_pages, migratetype);
 	}
+
 	set_pageblock_migratetype(page, migratetype);
 	if (isolated_page)
 		__putback_isolated_page(page, order, migratetype);
+
 	zone->nr_isolate_pageblock--;
 out:
 	spin_unlock_irqrestore(&zone->lock, flags);
-- 
2.18.2