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[openEuler-1.0-LTS] oom: decouple mems_allowed from oom_unkillable_task

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2023-02-10 15:52

In order to solve GPF could be caused by NULL-ptr deref or user memory access problem.
The fix is to decouple the cpuset/mempolicy intersection check from
oom_unkillable_task() and make sure cpuset/mempolicy intersection check is
only done in the global oom context.

需要回合下列补丁
ac311a14c682 oom: decouple mems_allowed from oom_unkillable_task
6ba749ee78ef mm, oom: remove redundant task_in_mem_cgroup() check
5eee7e1cdb97 mm, oom: refactor dump_tasks for memcg OOMs

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Ma Wupeng 创建了任务

Hi ma-wupeng, welcome to the openEuler Community.
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If you have any questions, please contact the SIG: Kernel, and any of the maintainers: @YangYingliang , @成坚 (CHENG Jian) , @jiaoff , @zhengzengkai , @刘勇强 , @wangxiongfeng , @朱科潜 , @WangShaoBo , @lujialin , @wuxu_buque , @Xu Kuohai , @冷嘲啊 , @Lingmingqiang , @yuzenghui , @juntian , @OSSIM , @陈结松 , @whoisxxx , @koulihong , @刘恺 , @hanjun-guo , @woqidaideshi , @Chiqijun , @Kefeng , @ThunderTown , @AlexGuo , @kylin-mayukun , @Zheng Zucheng , @柳歆 , @Jackie Liu , @zhujianwei001 , @郑振鹏 , @SuperSix173 , @colyli , @Zhang Yi , @htforge , @Qiuuuuu , @Yuehaibing , @xiehaocheng , @guzitao , @CTC-Xibo.Wang , @zhanghongchen , @chen wei , @Jason Zeng , @苟浩 , @DuanqiangWen , @georgeguo , @毛泓博 , @AllenShi , @zhangjialin , @Xie XiuQi

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zhangchangzhong 通过src-openeuler/kernel Pull Request !981任务状态待办的 修改为已完成

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