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

From: Lu Bing
Date: Fri Mar 11 2016 - 02:24:31 EST


From: l00215322 <albert.lubing@xxxxxxxxxxxxx>

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.chen@xxxxxxxxxxxxx>
Reviewed-by: Fu Jun <oliver.fu@xxxxxxxxxxxxx>
Reviewed-by: Xu YiPing <xuyiping@xxxxxxxxxxxxx>
Reviewed-by: Yu DongBin <yudongbin@xxxxxxxxxxxxx>
Signed-off-by: Lu Bing <albert.lubing@xxxxxxxxxxxxx>
---
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