bpf: add new map ops ->map_mem_usage

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Add a new map ops ->map_mem_usage to print the memory usage of a
bpf map.

This is a preparation for the followup change.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Link: https://lore.kernel.org/r/20230305124615.12358-2-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Yafang Shao 2023-03-05 12:45:58 +00:00 • committed by Alexei Starovoitov

parent 2d5bcdcda8

commit 90a5527d76

2 changed files with 9 additions and 8 deletions

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2

include/linux/bpf.h

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15

kernel/bpf/syscall.c

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