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authorMinchan Kim <minchan@kernel.org>2015-06-10 10:10:24 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2015-06-10 10:10:24 +1000
commit4675c72492e5f96f5ca4592a3bb6a4d949509531 (patch)
treeed603a78ef672aa303f8791d79577d3066ade5da /mm
parent311513ded5dffab67b9ea71fbb2c5102d3e0d742 (diff)
mm: document deactivate_page
This patch adds function description for deactivate_page. Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Shaohua Li <shli@kernel.org> Cc: Wang, Yalin <Yalin.Wang@sonymobile.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/swap.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/swap.c b/mm/swap.c
index a231e018fc83..0415a23475e2 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -873,6 +873,13 @@ 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)) {