diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a3318b66e41e..3a24e3b619f5 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1090,6 +1090,19 @@ static __always_inline struct mem_cgroup *get_active_memcg(void) return memcg; } +static __always_inline bool memcg_kmem_bypass(void) +{ + /* Allow remote memcg charging from any context. */ + if (unlikely(active_memcg())) + return false; + + /* Memcg to charge can't be determined. */ + if (in_interrupt() || !current->mm || (current->flags & PF_KTHREAD)) + return true; + + return false; +} + /** * If active memcg is set, do not fallback to current->mm->memcg. */ |