On 2016/3/11 15:30, yalin wang wrote: > >> On Mar 11, 2016, at 15:23, Lu Bing <albert.lub...@hisilicon.com> wrote: >> >> 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); > why not introduce a mm_nr_ptes() help function here ? > more clear to see . > Since the code is in staging, we can add another patch to do this.
>> task_unlock(p); >> if (tasksize <= 0) >> continue; >> -- >> 1.8.3.2 >> > > > . >
