diff options
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index d3c8203cab6c..1e38e99998c7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1666,10 +1666,13 @@ void mem_cgroup_track_foreign_dirty_slowpath(struct folio *folio, static inline void mem_cgroup_track_foreign_dirty(struct folio *folio, struct bdi_writeback *wb) { + struct mem_cgroup *memcg; + if (mem_cgroup_disabled()) return; - if (unlikely(&folio_memcg(folio)->css != wb->memcg_css)) + memcg = folio_memcg(folio); + if (unlikely(memcg && &memcg->css != wb->memcg_css)) mem_cgroup_track_foreign_dirty_slowpath(folio, wb); } @@ -1751,6 +1754,12 @@ struct obj_cgroup *get_obj_cgroup_from_page(struct page *page); int obj_cgroup_charge(struct obj_cgroup *objcg, gfp_t gfp, size_t size); void obj_cgroup_uncharge(struct obj_cgroup *objcg, size_t size); +extern struct static_key_false memcg_bpf_enabled_key; +static inline bool memcg_bpf_enabled(void) +{ + return static_branch_likely(&memcg_bpf_enabled_key); +} + extern struct static_key_false memcg_kmem_enabled_key; static inline bool memcg_kmem_enabled(void) @@ -1829,6 +1838,11 @@ static inline struct obj_cgroup *get_obj_cgroup_from_page(struct page *page) return NULL; } +static inline bool memcg_bpf_enabled(void) +{ + return false; +} + static inline bool memcg_kmem_enabled(void) { return false; |