From: Ding Tianhong dingtianhong@huawei.com
ascend inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I4EUVI CVE: NA
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The mm->sp_group is mainly used to find out the group which owns the mm, and the group could use the mm->sp_node to list and find out the mm, the mm->sp_stat_id is used for collecting memory information.
This changes will affect and destroy the kabi only when enable the ascend_share_pool config.
Signed-off-by: Tang Yizhou tangyizhou@huawei.com Signed-off-by: Li Ming limingming.li@huawei.com Signed-off-by: Zefan Li lizefan@huawei.com Signed-off-by: Zhou Guanghui zhouguanghui1@huawei.com Signed-off-by: Ding Tianhong dingtianhong@huawei.com Reviewed-by: Kefeng Wang wangkefeng.wang@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- include/linux/mm_types.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 34ef2ad0ad1e8..51a85ba5ac915 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -470,6 +470,11 @@ struct mm_struct { #endif struct user_namespace *user_ns;
+#ifdef CONFIG_ASCEND_SHARE_POOL + struct sp_group *sp_group; + struct list_head sp_node; /* link to sp_group->procs */ + int sp_stat_id; +#endif /* store ref to file /proc/<pid>/exe symlink points to */ struct file __rcu *exe_file; #ifdef CONFIG_MMU_NOTIFIER