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Groups > linux.kernel > #1355639

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

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From: l00215322 <albert.lubing@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.chen@hisilicon.com>
Reviewed-by: Fu Jun <oliver.fu@hisilicon.com>
Reviewed-by: Xu YiPing <xuyiping@hisilicon.com>
Reviewed-by: Yu DongBin <yudongbin@hisilicon.com>
Signed-off-by: Lu Bing <albert.lubing@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

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[PATCH] android: lmk: add swap pte pmd in tasksize Lu Bing <albert.lubing@hisilicon.com> - 2016-03-11 08:30 +0100
  Re: [PATCH] android: lmk: add swap pte pmd in tasksize yalin wang <yalin.wang2010@gmail.com> - 2016-03-11 08:40 +0100
    Re: [PATCH] android: lmk: add swap pte pmd in tasksize Chen Feng <puck.chen@hisilicon.com> - 2016-03-11 10:10 +0100
      Re: [PATCH] android: lmk: add swap pte pmd in tasksize Greg KH <gregkh@linuxfoundation.org> - 2016-03-11 18:20 +0100
        Re: [PATCH] android: lmk: add swap pte pmd in tasksize Chen Feng <puck.chen@hisilicon.com> - 2016-03-14 02:30 +0100

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