Chris Down <chris@chrisdown.name> writes：

> Muchun Song writes:
> >1. Double the threshold currently hard coded as "10" with each iteration
> >    suggested by Vlastimil. It is also a good idea.
>
> I think this sounds reasonable, although I'd like to see what the
> difference in
> reclaim looks like in practice.
>
> >2. In the while loop, we can check whether the TASK_KILLABLE
> >    signal is set, if so, we should break the loop. like the following
> code
> >    snippe. Thanks.
> >
> >@@ -704,6 +704,9 @@ void drop_slab_node(int nid)
> >  do {
> >  struct mem_cgroup *memcg = NULL;
> >
> >+ if (fatal_signal_pending(current))
> >+ return;
> >+
> >  freed = 0;
> >  memcg = mem_cgroup_iter(NULL, NULL, NULL);
> >  do {
>
> Regardless of anything, I think this is probably a good idea. Could you
> send it
> as a patch? :-)
>
> Thanks,
>
> Chris


We have send the v2 version, please check.

Best Wishes
ChunXin