LOWMEMORYKILLER: Don't try to kill the same process over and over

file:15bbcd30c985c53a130b1a036c14c61d6c4bd61a -> file:5001ddcaa39fec9f605ca8c4aa38b75f872e33e6
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -303,6 +303,12 @@ static int lowmem_shrink(struct shrinker
}
#else
if (selected) {
+ if (fatal_signal_pending(selected)) {
+ pr_warning("process %d is suffering a slow death\n",
+ selected->pid);
+ read_unlock(&tasklist_lock);
+ return rem;
+ }
lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n",
selected->pid, selected->comm,
selected_oom_adj, selected_tasksize);