Re: [PATCH 4/6] staging: android/lowmemorykiller: Better mm handling

static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)  {

• struct task_struct *p;

• struct task_struct *tsk;

struct task_struct *selected = NULL;        int rem = 0;        int tasksize; @@ -134,15 +134,17 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)        selected_oom_adj = min_adj;

rcu_read_lock();

• for_each_process(p) {
• struct mm_struct *mm;

• for_each_process(tsk) {
• struct task_struct *p;

struct signal_struct *sig;                int oom_adj;

• task_lock(p);
• mm = p->mm;

• p = find_lock_task_mm(tsk);
• if (!p)
• continue;

sig = p->signal;

• if (!mm || !sig) {

• if (!sig) {

task_unlock(p);                        continue;                } @@ -151,7 +153,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)                        task_unlock(p);                        continue;                }

• tasksize = get_mm_rss(mm);

• tasksize = get_mm_rss(p->mm);

task_unlock(p);                if (tasksize <= 0)                        continue;

ack.