On Sat, Jun 11, 2022 at 2:04 AM Roman Gushchin <roman.gushchin@xxxxxxxxx> wrote: > > Currently mem_cgroup_from_obj() is not working properly with objects > allocated using vmalloc(). It creates problems in some cases, when > it's called for static objects belonging to modules or generally > allocated using vmalloc(). > > This patch makes mem_cgroup_from_obj() safe to be called on objects > allocated using vmalloc(). > > It also introduces mem_cgroup_from_slab_obj(), which is a faster > version to use in places when we know the object is either a slab > object or a generic slab page (e.g. when adding an object to a lru > list). > > Suggested-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> > Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx> > Tested-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > Acked-by: Shakeel Butt <shakeelb@xxxxxxxxxx> Acked-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Thanks.
