[PATCH] android: lmk: add swap pte pmd in tasksize

[Lu Bing]

From: l00215322 <albert.lub...@hisilicon.com>

Many android devices have zram,so we should add "MM_SWAPENTS" in tasksize.
Refer oom_kill.c,we add pte&pmd also.

Reviewed-by: Chen Feng <puck.c...@hisilicon.com>
Reviewed-by: Fu Jun <oliver...@hisilicon.com>
Reviewed-by: Xu YiPing <xuyip...@hisilicon.com>
Reviewed-by: Yu DongBin <yudong...@hisilicon.com>
Signed-off-by: Lu Bing <albert.lub...@hisilicon.com>
---
 drivers/staging/android/lowmemorykiller.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/android/lowmemorykiller.c 
b/drivers/staging/android/lowmemorykiller.c
index 8b5a4a8..0817d3b 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -139,7 +139,9 @@ static unsigned long lowmem_scan(struct shrinker *s, struct 
shrink_control *sc)
                        task_unlock(p);
                        continue;
                }
-               tasksize = get_mm_rss(p->mm);
+               tasksize = get_mm_rss(p->mm) +
+                       get_mm_counter(p->mm, MM_SWAPENTS) +
+                       atomic_long_read(&p->mm->nr_ptes) + mm_nr_pmds(p->mm);
                task_unlock(p);
                if (tasksize <= 0)
                        continue;
-- 
1.8.3.2