On Sun, Sep 13, 2015 at 02:59:40PM -0400, Tejun Heo wrote: > task_struct->memcg_oom is a sub-struct containing fields which are > used for async memcg oom handling. Most task_struct fields aren't > packaged this way and it can lead to unnecessary alignment paddings. > This patch flattens it. > > * task.memcg_oom.memcg -> task.memcg_in_oom > * task.memcg_oom.gfp_mask -> task.memcg_oom_gfp_mask > * task.memcg_oom.order -> task.memcg_oom_order > * task.memcg_oom.may_oom -> task.memcg_may_oom > > In addition, task.memcg_may_oom is relocated to where other bitfields > are which reduces the size of task_struct. > > Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> > Acked-by: Michal Hocko <mhocko@xxxxxxxx> > Reviewed-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> Looks good to me, thanks. Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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>