From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
haoluo@google.com, jolsa@kernel.org, hannes@cmpxchg.org,
mhocko@kernel.org, roman.gushchin@linux.dev,
shakeelb@google.com, songmuchun@bytedance.com,
akpm@linux-foundation.org, tj@kernel.org,
lizefan.x@bytedance.com, cgroups@vger.kernel.org,
netdev@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH bpf-next v2 07/12] bpf: Introduce new helpers bpf_ringbuf_pages_{alloc,free}
Date: Thu, 18 Aug 2022 10:30:44 -0700 [thread overview]
Message-ID: <CAEf4Bzbcs_k-NBgO7tky3brTraHFKLwEg1RQrhZNJVY7Tsbz7w@mail.gmail.com> (raw)
In-Reply-To: <20220818143118.17733-8-laoar.shao@gmail.com>
On Thu, Aug 18, 2022 at 7:32 AM Yafang Shao <laoar.shao@gmail.com> wrote:
>
> Allocate pages related memory into the new helper
> bpf_ringbuf_pages_alloc(), then it can be handled as a single unit.
>
> Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
> Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
> ---
> kernel/bpf/ringbuf.c | 80 ++++++++++++++++++++++++++++++++++++----------------
> 1 file changed, 56 insertions(+), 24 deletions(-)
>
LGTM.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
> diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
> index 5eb7820..1e7284c 100644
> --- a/kernel/bpf/ringbuf.c
> +++ b/kernel/bpf/ringbuf.c
> @@ -59,6 +59,57 @@ struct bpf_ringbuf_hdr {
> u32 pg_off;
> };
>
[...]
next prev parent reply other threads:[~2022-08-18 21:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-18 14:31 [PATCH bpf-next v2 00/12] bpf: Introduce selectable memcg for bpf map Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 01/12] cgroup: Update the comment on cgroup_get_from_fd Yafang Shao
2022-08-18 19:11 ` Yosry Ahmed
2022-08-18 14:31 ` [PATCH bpf-next v2 02/12] bpf: Introduce new helper bpf_map_put_memcg() Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 03/12] bpf: Define bpf_map_{get,put}_memcg for !CONFIG_MEMCG_KMEM Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 04/12] bpf: Call bpf_map_init_from_attr() immediately after map creation Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 05/12] bpf: Save memcg in bpf_map_init_from_attr() Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 06/12] bpf: Use scoped-based charge in bpf_map_area_alloc Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 07/12] bpf: Introduce new helpers bpf_ringbuf_pages_{alloc,free} Yafang Shao
2022-08-18 17:30 ` Andrii Nakryiko [this message]
2022-08-18 14:31 ` [PATCH bpf-next v2 08/12] bpf: Use bpf_map_kzalloc in arraymap Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 09/12] bpf: Use bpf_map_kvcalloc in bpf_local_storage Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 10/12] mm, memcg: Add new helper get_obj_cgroup_from_cgroup Yafang Shao
2022-08-18 20:38 ` Shakeel Butt
2022-08-19 1:21 ` Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 11/12] bpf: Add return value for bpf_map_init_from_attr Yafang Shao
2022-08-18 14:31 ` [PATCH bpf-next v2 12/12] bpf: Introduce selectable memcg for bpf map Yafang Shao
2022-08-18 22:20 ` [PATCH bpf-next v2 00/12] " Tejun Heo
2022-08-18 22:33 ` Tejun Heo
2022-08-19 1:09 ` Yafang Shao
2022-08-19 17:06 ` Tejun Heo
2022-08-20 2:25 ` Yafang Shao
2022-08-22 11:29 ` [RFD RESEND] cgroup: Persistent memory usage tracking Tejun Heo
2022-08-22 16:12 ` Shakeel Butt
2022-08-22 19:02 ` Mina Almasry
2022-08-22 21:19 ` Johannes Weiner
2022-08-22 21:52 ` Mina Almasry
2022-08-23 3:01 ` Roman Gushchin
2022-08-23 3:14 ` Tejun Heo
2022-08-24 19:02 ` Mina Almasry
2022-08-25 17:59 ` Tejun Heo
2022-08-23 11:08 ` Yafang Shao
2022-08-23 17:12 ` Tejun Heo
2022-08-24 11:57 ` Yafang Shao
2022-08-19 0:59 ` [PATCH bpf-next v2 00/12] bpf: Introduce selectable memcg for bpf map Yafang Shao
2022-08-19 16:45 ` Tejun Heo
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