On Tue, Jun 26, 2018 at 11:00:53AM -0700, Shakeel Butt wrote: > On Mon, Jun 25, 2018 at 10:49 PM Amir Goldstein <amir73il@xxxxxxxxx> wrote: > > > ... > > > > The verb 'unuse' takes an argument memcg and 'uses' it - too weird. > > You can use 'override'/'revert' verbs like override_creds or just call > > memalloc_use_memcg(old_memcg) since there is no reference taken > > anyway in use_memcg and no reference released in unuse_memcg. > > > > Otherwise looks good to me. > > > > Thanks for your feedback. Just using memalloc_use_memcg(old_memcg) and > ignoring the return seems more simple. I will wait for feedback from > other before changing anything. We're not nesting calls to memalloc_use_memcg(), right? So we don't have to return old_memcg and don't have to pass anything to unuse, it can always set current->active_memcg to NULL.
