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linux/Documentation/bpf/map_array.rst

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bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs: bpf: map_array: Specify BPF_MAP_TYPE_PERCPU_ARRAY value size limit Specify value size limit for BPF_MAP_TYPE_PERCPU_ARRAY which is PCPU_MIN_UNIT_SIZE (32 kb). In percpu allocator (mm: percpu), any request with a size greater than PCPU_MIN_UNIT_SIZE is rejected. Signed-off-by: Alex Tran <alex.t.tran@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20251115063531.2302903-1-alex.t.tran@gmail.com
2025-11-14 22:35:31 -08:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs/bpf: Fix sphinx warnings in BPF map docs Fix duplicate C declaration warnings when using sphinx >= 3.1. Reported-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/bpf/ed4dac84-1b12-5c58-e4de-93ab9ac67c09@gmail.com Link: https://lore.kernel.org/bpf/20221122143933.91321-1-donald.hunter@gmail.com
2022-11-22 14:39:33 +00:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs/bpf: Fix sphinx warnings in BPF map docs Fix duplicate C declaration warnings when using sphinx >= 3.1. Reported-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/bpf/ed4dac84-1b12-5c58-e4de-93ab9ac67c09@gmail.com Link: https://lore.kernel.org/bpf/20221122143933.91321-1-donald.hunter@gmail.com
2022-11-22 14:39:33 +00:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs/bpf: Fix sphinx warnings in BPF map docs Fix duplicate C declaration warnings when using sphinx >= 3.1. Reported-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/bpf/ed4dac84-1b12-5c58-e4de-93ab9ac67c09@gmail.com Link: https://lore.kernel.org/bpf/20221122143933.91321-1-donald.hunter@gmail.com
2022-11-22 14:39:33 +00:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs/bpf: Fix sphinx warnings in BPF map docs Fix duplicate C declaration warnings when using sphinx >= 3.1. Reported-by: Akira Yokosawa <akiyks@gmail.com> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Akira Yokosawa <akiyks@gmail.com> Link: https://lore.kernel.org/bpf/ed4dac84-1b12-5c58-e4de-93ab9ac67c09@gmail.com Link: https://lore.kernel.org/bpf/20221122143933.91321-1-donald.hunter@gmail.com
2022-11-22 14:39:33 +00:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00
docs/bpf: Fix sample code in MAP_TYPE_ARRAY docs Remove mistaken & from code example in MAP_TYPE_ARRAY docs Fixes: 1cfa97b30c5a ("bpf, docs: Document BPF_MAP_TYPE_ARRAY") Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20221115095910.86407-1-donald.hunter@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2022-11-15 09:59:10 +00:00
bpf, docs: Document BPF_MAP_TYPE_ARRAY Add documentation for the BPF_MAP_TYPE_ARRAY including kernel version introduced, usage and examples. Also document BPF_MAP_TYPE_PERCPU_ARRAY which is similar. Co-developed-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Dave Tucker <dave@dtucker.co.uk> Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Maryam Tahhan <mtahhan@redhat.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/bpf/20221109174604.31673-2-donald.hunter@gmail.com
2022-11-09 17:46:04 +00:00