On Mon, Dec 16, 2013 at 8:47 PM, Michal Hocko <mhocko@xxxxxxx> wrote: > On Sat 14-12-13 12:15:33, Vladimir Davydov wrote: >> The mem_cgroup structure contains nr_node_ids pointers to >> mem_cgroup_per_node objects, not the objects themselves. > > Ouch! This is 2k per node which is wasted. What a shame I haven't > noticed this back then when reviewing 45cf7ebd5a033 (memcg: reduce the > size of struct memcg 244-fold) > IIRC, they weren't pointers back then. I think they were embedded in the structure, and I let them embedded. My mind may be tricking me, but I think I recall that Johannes changed them to pointers in a later time. No ? In any case, this is correct. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>