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2595473046
Add a generic percpu stats for bpf_map elements insertions/deletions in order to keep track of both, the current (approximate) number of elements in a map and per-cpu statistics on update/delete operations. To expose these stats a particular map implementation should initialize the counter and adjust it as needed using the 'bpf_map_*_elem_count' helpers provided by this commit. Signed-off-by: Anton Protopopov <aspsk@isovalent.com> Link: https://lore.kernel.org/r/20230706133932.45883-2-aspsk@isovalent.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>