BREAKING CHANGE:
支持容器限额对外变更:
1.在proc目录下增加sys/user目录，支持max_容器_container 配额文件

Close #I6HDQK
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Ieaac046182f679a6f49cbdc74593ab39fcb31f5f

Merge pull request !1124 from zhushengle/cgroups_test

Close #I6H2AR
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I31a432b69ea5fbad137aa1bb947fff4b6fc307df

Merge pull request !1123 from zhushengle/cgroups_2

BREAKING CHANGE:
支持cgroups对外变更:
1.在proc目录下支持plimits目录，支持ipc, pid, memory, devices, sched控制器

Close #I6GVPL
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Ib996e07bf148abce9e40290d6188b763b52e89bb

Merge pull request !1116 from zhushengle/user_container

Merge pull request !1115 from zhangdengyu/fixXtsTestCase

Close #I6EC0A
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I5314959e66090b0614ad8d2058dc9dff4f0031b0

1、在kernel/liteos_a/fs/proc/os_adapt/proc_vfs.c中VfsProcfsRead等接口中，
   使用spin_lock造成使用锁失败。

Close: #I6E3AU
Signed-off-by: Nzhangdengyu <zhangdengyu2@huawei.com>
Change-Id: I00e57d10bc4e4cf7cbc020903fe229a3aa303ae5

Merge pull request !1112 from zhushengle/setns

BREAKING CHANGE:
支持setns接口对外变更:
1.新增setns接口

Close #I6D9Y0
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I9aacf9e5b8463e8e6c743a0041a5b2b18fdb0e12

Merge pull request !1109 from yinjiaming/fix

代码扫描工具发现代码中有被注释的多余函数，现删除。
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: I26980061390924d53c77e467b2cab2f56b192a82

Merge pull request !1108 from zhushengle/proc_pid_dir

Close #I6DCM8
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Ie1002ca48f9a73429e767136c1f11b1a8b137b48

Merge pull request !1104 from yinjiaming/fix

Merge pull request !1107 from zhushengle/proc_self

BREAKING CHANGE:
支持proc/self目录对外变更:
1.支持/proc/self挂载目录，用于获取进程信息

Close #I6CZ72
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I465278785bd9e27ddbf4d34ee7b5457e39f98b5b

Merge pull request !1103 from 权飞燕/fuzz-master

Change-Id: Ib07c89fe4fb840f2be4eec40a379a8f13e5ef2b6
Signed-off-by: Ngaorui <gaorui23@huawei.com>

Merge pull request !1106 from zhushengle/mem_free

1.修复内存泄露
2.修复获取内核信息单位、描述错误

Close #I6CD5C
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I875bec616064517b21af8e69ef8d6e177ec01ce1

Merge pull request !1091 from JerryH/lms

Close #I68LEO
Signed-off-by: Nhuangjieliang <huangjieliang@huawei.com>
Change-Id: I6f1a8e647220170b00f771117bb018e5f82997ed

sprintf_s的返回值是有符号数，应使用有符号数来接收返回值
Signed-off-by: Nyinjiaming <yinjiaming@huawei.com>
Change-Id: Icb1248e0a75a77c1258f64dfa25eef0a7f5dd14e

Merge pull request !1102 from zhushengle/proc_fix

1.proc存在静态问题
2.删除proc节点后，vnode未同步删除，导致系统崩溃

Close #I6BT1F
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I91deecfe1d055a4ad1c2d2cda65acf04e4c53d4c

Merge pull request !1101 from zhushengle/unshare

BREAKING CHANGE:
支持unshare接口对外变更
1.支持unshare接口，flags支持：CLONE_NEWPID, CLONE_NEWTIME, CLONE_NEWUTS

Close #I6BE5A
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: Ib61abad2fa03a7100bf808e93830f2094fa1c5a6

Merge pull request !1100 from zhushengle/time_container

BREAKING CHANGE:
支持ipc容器及增强对外变更:
1.clone 支持CLONE_NEWTIME
2.增加”/proc/[pid]/container/time" 用于查询容器信息
3.增加”/proc/[pid]/container/time_for_children" 用于查询容器信息
4.增加”/proc/[pid]/container/pid_for_children" 用于查询容器信息
5.增加”/proc/[pid]/time_offsets" 用于查询和配置time容器信息

Close #I6B0A3
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I54d79937ca608a10a4384f61e11c88757f833edf

Merge pull request !1099 from zhushengle/ipc_container

BREAKING CHANGE:
支持ipc容器及增强对外变更:
1.clone 支持CLONE_NEWIPC
2.增加”/proc/[pid]/container/ipc" 用于查询容器信息

Close #I6AVMY
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I6a3c248d2d66a5342994c6e0b0aecddea8e32c72

Merge pull request !1098 from zhushengle/mnt_container

BREAKING CHANGE:
支持mnt容器及增强对外变更:
1.clone 支持CLONE_NEWNS
2.增加”/proc/[pid]/container/mnt" 用于查询容器信息
3.新增chroot接口

Close #I6APW2
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I5e8843a0f59bb5b0e6a66a6810dc552e8184a03e

Merge pull request !1097 from zhushengle/info

BREAKING CHANGE:
支持系统、进程信息获取对外变更：
1.添加"/proc/meminfo" 获取系统内存使用情况
2.添加"/proc/filesystems" 获取文件系统信息
3.添加"/proc/[pid]/meminfo" 获取进程的内存占用信息
4.添加"/proc/[pid]/cpup" 获取进程的CPUP信息

Close #I6AMVG
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I8c1cab0bf956ced0cf16401907d869058d98cfa6

Merge pull request !1096 from zhushengle/process_proc

BREAKING CHANGE:
支持进程挂载目录和进程命名空间增强对外变更:
1.支持进程挂载目录，在/proc下可以看到进程挂载目录
2.支持pid容器和uts容器信息查询

Close #I6AEVV
Signed-off-by: Nzhushengle <zhushengle@huawei.com>
Change-Id: I6777889552d77e49da81249063f9f3db0af96f34

Merge pull request !1095 from zhushengle/uts_container