mainline inclusion
from mainline-5.17-rc1
commit be05c944
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5EUVD
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=be05c94476f3cf4fdc29feab4ed1053187323296

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Add ability to initialize inner maps in light skeleton.
Signed-off-by: NAlexei Starovoitov <ast@kernel.org>
Signed-off-by: NAndrii Nakryiko <andrii@kernel.org>
Acked-by: NAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211201181040.23337-11-alexei.starovoitov@gmail.com
(cherry picked from commit be05c944)
Signed-off-by: NWang Yufen <wangyufen@huawei.com>