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bpf/arena: Add kfunc for reserving arena memory #9235

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Pull request for series with
subject: bpf/arena: Add kfunc for reserving arena memory
version: 2
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961

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Upstream branch: 212ec92
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

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Upstream branch: 621af19
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

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Upstream branch: 564606f
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

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Upstream branch: 38d95be
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

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Upstream branch: 38d95be
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

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Upstream branch: 1f24c0d
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

Add a new BPF arena kfunc for reserving a range of arena virtual
addresses without backing them with pages. This prevents the range from
being populated using bpf_arena_alloc_pages().

Signed-off-by: Emil Tsalapatis <[email protected]>
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Upstream branch: 03fe01d
series: https://patchwork.kernel.org/project/netdevbpf/list/?series=977961
version: 2

Add selftests for the new bpf_arena_reserve_pages kfunc.

Signed-off-by: Emil Tsalapatis <[email protected]>
@kernel-patches-daemon-bpf kernel-patches-daemon-bpf bot force-pushed the series/977961=>bpf-next branch from c997bc7 to 16e0211 Compare July 4, 2025 02:34
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