On Tue, 23 Sep 2014, 朱辉 wrote: > > By the way, whether we need to modify out_of_memory() which also > > try to kill task? > > I am not sure because LMK handle the memory issue early than OOM. > But I think this issue will not affect OOM because OOM has > oom_zonelist_trylock and oom_zonelist_unlock. >
The oom killer tries to schedule other processes that exit the oom killer without being a victim itself and any process that cannot get the zonelist lock will do the same in the page allocator. The low memory killer case is somewhat different.
