Currently tasksize in lowmem_scan() only calculate rss, and not include swap. But usually smart phones enable zram, so swap space actually use ram. Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx> --- drivers/staging/android/lowmemorykiller.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index 8b5a4a8..718ab8e 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -139,7 +139,10 @@ 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; -- 1.8.3.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>