From: patchwork-bot+netdevbpf@kernel.org
To: Yonghong Song <yonghong.song@linux.dev>
Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org,
daniel@iogearbox.net, kernel-team@fb.com, martin.lau@kernel.org
Subject: Re: [PATCH bpf-next v6 0/8] bpf: Reduce memory usage for bpf_global_percpu_ma
Date: Thu, 04 Jan 2024 05:20:32 +0000 [thread overview]
Message-ID: <170434563200.4563.13003623182272424061.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20231222031729.1287957-1-yonghong.song@linux.dev>
Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Thu, 21 Dec 2023 19:17:29 -0800 you wrote:
> Currently when a bpf program intends to allocate memory for percpu kptr,
> the verifier will call bpf_mem_alloc_init() to prefill all supported
> unit sizes and this caused memory consumption very big for large number
> of cpus. For example, for 128-cpu system, the total memory consumption
> with initial prefill is ~175MB. Things will become worse for systems
> with even more cpus.
>
> [...]
Here is the summary with links:
- [bpf-next,v6,1/8] bpf: Avoid unnecessary extra percpu memory allocation
https://git.kernel.org/bpf/bpf-next/c/9beda16c257d
- [bpf-next,v6,2/8] bpf: Add objcg to bpf_mem_alloc
https://git.kernel.org/bpf/bpf-next/c/9fc8e802048a
- [bpf-next,v6,3/8] bpf: Allow per unit prefill for non-fix-size percpu memory allocator
https://git.kernel.org/bpf/bpf-next/c/c39aa3b289e9
- [bpf-next,v6,4/8] bpf: Refill only one percpu element in memalloc
https://git.kernel.org/bpf/bpf-next/c/5b95e638f134
- [bpf-next,v6,5/8] bpf: Use smaller low/high marks for percpu allocation
https://git.kernel.org/bpf/bpf-next/c/0e2ba9f96f9b
- [bpf-next,v6,6/8] bpf: Limit up to 512 bytes for bpf_global_percpu_ma allocation
https://git.kernel.org/bpf/bpf-next/c/5c1a37653260
- [bpf-next,v6,7/8] selftests/bpf: Cope with 512 bytes limit with bpf_global_percpu_ma
https://git.kernel.org/bpf/bpf-next/c/21f5a801c171
- [bpf-next,v6,8/8] selftests/bpf: Add a selftest with > 512-byte percpu allocation size
https://git.kernel.org/bpf/bpf-next/c/adc8c4549d9e
You are awesome, thank you!
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prev parent reply other threads:[~2024-01-04 5:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-22 3:17 [PATCH bpf-next v6 0/8] bpf: Reduce memory usage for bpf_global_percpu_ma Yonghong Song
2023-12-22 3:17 ` [PATCH bpf-next v6 1/8] bpf: Avoid unnecessary extra percpu memory allocation Yonghong Song
2023-12-22 3:17 ` [PATCH bpf-next v6 2/8] bpf: Add objcg to bpf_mem_alloc Yonghong Song
2023-12-22 3:17 ` [PATCH bpf-next v6 3/8] bpf: Allow per unit prefill for non-fix-size percpu memory allocator Yonghong Song
2023-12-22 9:36 ` Hou Tao
2024-01-04 5:21 ` Alexei Starovoitov
2024-01-04 7:01 ` Yonghong Song
2023-12-22 3:17 ` [PATCH bpf-next v6 4/8] bpf: Refill only one percpu element in memalloc Yonghong Song
2023-12-22 3:17 ` [PATCH bpf-next v6 5/8] bpf: Use smaller low/high marks for percpu allocation Yonghong Song
2023-12-22 9:36 ` Hou Tao
2023-12-22 3:18 ` [PATCH bpf-next v6 6/8] bpf: Limit up to 512 bytes for bpf_global_percpu_ma allocation Yonghong Song
2023-12-22 3:18 ` [PATCH bpf-next v6 7/8] selftests/bpf: Cope with 512 bytes limit with bpf_global_percpu_ma Yonghong Song
2023-12-22 3:18 ` [PATCH bpf-next v6 8/8] selftests/bpf: Add a selftest with > 512-byte percpu allocation size Yonghong Song
2023-12-22 9:35 ` [PATCH bpf-next v6 0/8] bpf: Reduce memory usage for bpf_global_percpu_ma Hou Tao
2023-12-28 0:49 ` Yonghong Song
2024-01-04 5:20 ` patchwork-bot+netdevbpf [this message]
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