[PATCH] mm: document deactivate_page

[Minchan Kim]

This patch adds function description for deactivate_page.

Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
 mm/swap.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mm/swap.c b/mm/swap.c
index 6b5adc7..b65fc8c 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -866,6 +866,13 @@ void deactivate_file_page(struct page *page)
 	}
 }
 
+/**
+ * deactivate_page - deactivate a page
+ * @page: page to deactivate
+ *
+ * This function moves @page to inactive list if @page was on active list and
+ * was not unevictable page to accelerate to reclaim @page.
+ */
 void deactivate_page(struct page *page)
 {
 	if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
-- 
1.9.3


> 
> 

-- 
Kind regards,
Minchan Kim
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