From: Michal Hocko <mhocko@suse.com>
To: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Shakeel Butt <shakeel.butt@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrii Nakryiko <andrii@kernel.org>,
JP Kobryn <inwardvessel@gmail.com>,
linux-mm@kvack.org, cgroups@vger.kernel.org, bpf@vger.kernel.org,
Martin KaFai Lau <martin.lau@kernel.org>,
Song Liu <song@kernel.org>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH v2 05/23] mm: declare memcg_page_state_output() in memcontrol.h
Date: Fri, 31 Oct 2025 09:34:25 +0100 [thread overview]
Message-ID: <aQR0kf_g2e59JCmz@tiehlicka> (raw)
In-Reply-To: <20251027231727.472628-6-roman.gushchin@linux.dev>
On Mon 27-10-25 16:17:08, Roman Gushchin wrote:
> To use memcg_page_state_output() in bpf_memcontrol.c move the
> declaration from v1-specific memcontrol-v1.h to memcontrol.h.
>
> Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
> ---
> include/linux/memcontrol.h | 1 +
> mm/memcontrol-v1.h | 1 -
> 2 files changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 9af9ae28afe7..50d851ff3f27 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -949,6 +949,7 @@ static inline void mod_memcg_page_state(struct page *page,
> }
>
> unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx);
> +unsigned long memcg_page_state_output(struct mem_cgroup *memcg, int item);
> unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx);
> unsigned long lruvec_page_state_local(struct lruvec *lruvec,
> enum node_stat_item idx);
> diff --git a/mm/memcontrol-v1.h b/mm/memcontrol-v1.h
> index 6358464bb416..a304ad418cdf 100644
> --- a/mm/memcontrol-v1.h
> +++ b/mm/memcontrol-v1.h
> @@ -27,7 +27,6 @@ unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap);
> void drain_all_stock(struct mem_cgroup *root_memcg);
>
> unsigned long memcg_events(struct mem_cgroup *memcg, int event);
> -unsigned long memcg_page_state_output(struct mem_cgroup *memcg, int item);
> int memory_stat_show(struct seq_file *m, void *v);
>
> void mem_cgroup_id_get_many(struct mem_cgroup *memcg, unsigned int n);
> --
> 2.51.0
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2025-10-31 8:34 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-27 23:17 [PATCH v2 00/23] mm: BPF OOM Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 01/23] bpf: move bpf_struct_ops_link into bpf.h Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 02/23] bpf: initial support for attaching struct ops to cgroups Roman Gushchin
2025-10-27 23:48 ` bot+bpf-ci
2025-10-28 15:57 ` Roman Gushchin
2025-10-29 18:01 ` Song Liu
2025-10-29 20:26 ` Roman Gushchin
2025-10-30 17:22 ` Roman Gushchin
2025-10-30 18:03 ` Song Liu
2025-10-30 18:19 ` Amery Hung
2025-10-30 19:06 ` Roman Gushchin
2025-10-30 21:34 ` Song Liu
2025-10-30 22:42 ` Martin KaFai Lau
2025-10-30 23:14 ` Roman Gushchin
2025-10-31 0:05 ` Song Liu
2025-10-30 22:19 ` bpf_st_ops and cgroups. Was: " Alexei Starovoitov
2025-10-30 23:24 ` Roman Gushchin
2025-10-31 3:03 ` Yafang Shao
2025-10-31 6:14 ` Song Liu
2025-10-31 11:35 ` Yafang Shao
2025-10-31 17:37 ` Alexei Starovoitov
2025-10-29 18:14 ` Tejun Heo
2025-10-29 20:25 ` Roman Gushchin
2025-10-29 20:36 ` Tejun Heo
2025-10-29 21:18 ` Song Liu
2025-10-29 21:27 ` Tejun Heo
2025-10-29 21:37 ` Song Liu
2025-10-29 21:45 ` Tejun Heo
2025-10-30 4:32 ` Song Liu
2025-10-30 16:13 ` Tejun Heo
2025-10-30 17:56 ` Song Liu
2025-10-29 21:53 ` Roman Gushchin
2025-10-29 22:43 ` Alexei Starovoitov
2025-10-29 22:53 ` Tejun Heo
2025-10-29 23:53 ` Alexei Starovoitov
2025-10-30 0:03 ` Tejun Heo
2025-10-30 0:16 ` Alexei Starovoitov
2025-10-30 6:33 ` Yafang Shao
2025-10-29 21:04 ` Song Liu
2025-10-30 0:43 ` Martin KaFai Lau
2025-10-27 23:17 ` [PATCH v2 03/23] bpf: mark struct oom_control's memcg field as TRUSTED_OR_NULL Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 04/23] mm: define mem_cgroup_get_from_ino() outside of CONFIG_SHRINKER_DEBUG Roman Gushchin
2025-10-31 8:32 ` Michal Hocko
2025-10-27 23:17 ` [PATCH v2 05/23] mm: declare memcg_page_state_output() in memcontrol.h Roman Gushchin
2025-10-31 8:34 ` Michal Hocko [this message]
2025-10-27 23:17 ` [PATCH v2 06/23] mm: introduce BPF struct ops for OOM handling Roman Gushchin
2025-10-27 23:57 ` bot+bpf-ci
2025-10-28 17:45 ` Alexei Starovoitov
2025-10-28 18:42 ` Roman Gushchin
2025-10-28 22:07 ` Alexei Starovoitov
2025-10-28 22:56 ` Roman Gushchin
2025-10-28 21:33 ` Song Liu
2025-10-28 23:24 ` Roman Gushchin
2025-10-30 0:20 ` Martin KaFai Lau
2025-10-30 5:57 ` Yafang Shao
2025-10-30 14:26 ` Roman Gushchin
2025-10-31 9:02 ` Michal Hocko
2025-11-02 21:36 ` Roman Gushchin
2025-11-03 19:00 ` Michal Hocko
2025-11-04 1:45 ` Roman Gushchin
2025-11-04 8:18 ` Michal Hocko
2025-11-04 18:14 ` Roman Gushchin
2025-11-04 19:22 ` Michal Hocko
2025-10-27 23:17 ` [PATCH v2 07/23] mm: introduce bpf_oom_kill_process() bpf kfunc Roman Gushchin
2025-10-31 9:05 ` Michal Hocko
2025-11-02 21:09 ` Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 08/23] mm: introduce BPF kfuncs to deal with memcg pointers Roman Gushchin
2025-10-27 23:48 ` bot+bpf-ci
2025-10-28 16:10 ` Roman Gushchin
2025-10-28 17:12 ` Alexei Starovoitov
2025-10-28 18:03 ` Chris Mason
2025-10-28 18:32 ` Roman Gushchin
2025-10-28 17:42 ` Tejun Heo
2025-10-28 18:12 ` Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 09/23] mm: introduce bpf_get_root_mem_cgroup() BPF kfunc Roman Gushchin
2025-10-27 23:17 ` [PATCH v2 10/23] mm: introduce BPF kfuncs to access memcg statistics and events Roman Gushchin
2025-10-27 23:48 ` bot+bpf-ci
2025-10-28 16:16 ` Roman Gushchin
2025-10-31 9:08 ` Michal Hocko
2025-10-31 9:31 ` [PATCH v2 00/23] mm: BPF OOM Michal Hocko
2025-10-31 16:48 ` Lance Yang
2025-11-02 20:53 ` Roman Gushchin
2025-11-03 18:18 ` Michal Hocko
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