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authorRoman Gushchin <guro@fb.com>2018-09-28 16:45:36 +0200
committerDaniel Borkmann <daniel@iogearbox.net>2018-10-01 16:18:32 +0200
commit8bad74f9840f87661f20ced3dc80c84ab4fd55a1 (patch)
tree1ac3ef2547d12f0fd6a232fbc1daac2672537907 /mm/memory.c
parentbpf: permit CGROUP_DEVICE programs accessing helper bpf_get_current_cgroup_id() (diff)
downloadlinux-8bad74f9840f87661f20ced3dc80c84ab4fd55a1.tar.xz
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bpf: extend cgroup bpf core to allow multiple cgroup storage types
In order to introduce per-cpu cgroup storage, let's generalize bpf cgroup core to support multiple cgroup storage types. Potentially, per-node cgroup storage can be added later. This commit is mostly a formal change that replaces cgroup_storage pointer with a array of cgroup_storage pointers. It doesn't actually introduce a new storage type, it will be done later. Each bpf program is now able to have one cgroup storage of each type. Signed-off-by: Roman Gushchin <guro@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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