Messages in this thread | | | Date | Tue, 3 Oct 2023 12:48:35 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH v1 1/5] mm: kmem: optimize get_obj_cgroup_from_current() |
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On Fri, Sep 29, 2023 at 11:00:51AM -0700, Roman Gushchin wrote: > Manually inline memcg_kmem_bypass() and active_memcg() to speed up > get_obj_cgroup_from_current() by avoiding duplicate in_task() checks > and active_memcg() readings. > > Also add a likely() macro to __get_obj_cgroup_from_memcg(): > obj_cgroup_tryget() should succeed at almost all times except a very > unlikely race with the memcg deletion path. > > Signed-off-by: Roman Gushchin (Cruise) <roman.gushchin@linux.dev> > Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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