On Fri, Aug 21, 2020 at 8:01 AM Roman Gushchin <guro@xxxxxx> wrote: > > From: Johannes Weiner <hannes@xxxxxxxxxxx> > > Support nesting of memalloc_use_memcg() to be able to use > from an interrupt context. > > Make memalloc_use_memcg() return the old memcg and convert existing > users to a stacking model. Delete the unused memalloc_unuse_memcg(). > > Roman: I've rephrased the original commit log, because it was > focused on the accounting problem related to loop devices. I made > it less specific, so it can work for bpf too. Also rebased to the > current state of the mm tree. > > The original patch can be found here: > https://lkml.org/lkml/2020/5/28/806 > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> > Signed-off-by: Roman Gushchin <guro@xxxxxx> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
