bpf: Move bpf map owner out of common struct

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[ Upstream commit fd1c98f0ef ]

Given this is only relevant for BPF tail call maps, it is adding up space
and penalizing other map types. We also need to extend this with further
objects to track / compare to. Therefore, lets move this out into a separate
structure and dynamically allocate it only for BPF tail call maps.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20250730234733.530041-2-daniel@iogearbox.net
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Daniel Borkmann 2025-09-01 17:19:45 -04:00 • committed by Greg Kroah-Hartman

parent bfb8da7a5d

commit c04992612e

4 changed files with 64 additions and 34 deletions

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23

include/linux/bpf.h

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1

kernel/bpf/arraymap.c

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68

kernel/bpf/core.c

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16

kernel/bpf/syscall.c

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