psi: make kabi compatibility for psi in struct cgroup
hulk inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I562O9 CVE: NA backport: openEuler-22.03-LTS -------------------------------- The cgroup structures are all allocated by the core kernel code at run time. It is also accessed only the cgroup core code and so changes made to the cgroup structure should not affect third-party kernel modules. However, a number of important kernel data structures do contain pointer to a cgroup structure and so the kABI signature has to be maintained. Signed-off-by: NChen Wandun <chenwandun@huawei.com> Reviewed-by: Nzhangjialin 00591957 <zhangjialin11@huawei.com> Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
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