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| author | Yafang Shao <laoar.shao@gmail.com> | 2023-02-10 18:47:31 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-02-11 05:59:56 +0300 |
| commit | b6c1a8af5b1eec42aabc13376f94aa90c3d765f1 (patch) | |
| tree | ac9d6ca0ed8542d878eb51bf0adb7044703a75d1 /include/linux/memcontrol.h | |
| parent | 7e2a9ebe8126206157056cca5dd30a656f3d8a81 (diff) | |
| download | linux-b6c1a8af5b1eec42aabc13376f94aa90c3d765f1.tar.xz | |
mm: memcontrol: add new kernel parameter cgroup.memory=nobpf
Add new kernel parameter cgroup.memory=nobpf to allow user disable bpf
memory accounting. This is a preparation for the followup patch.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Link: https://lore.kernel.org/r/20230210154734.4416-2-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 85dc9b88ea37..1e38e99998c7 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1754,6 +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) @@ -1832,6 +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; |