PR sync from: Lu Jialin lujialin4@huawei.com
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZZY5DGPV2E5E5UUNBBUOVDD2245WL53R/
v3->v2: remove unused members in struct cftype and struct cgroup_subsys
v2->v1: enable CONFIG_CGROUP_FILES in openeuler_defconfig for x86 and arm64

Binder Makin (1):
cgroups: Resource controller for open files

Hou Tao (2):
cgroup/files: use task_get_css() to get a valid css during dup_fd()
cgroup: undo unnecessary updates to struct cgroup_subsys & cftype

Lu Jialin (3):
fs: fix files.usage bug when move tasks
fs/filescontrol.c: fix warning:large integer implicitly truncated to
unsigned type
openeuler_defconfig: enable CONFIG_CGROUP_FILES in openeuler_defconfig
for x86 and arm64

Yu Kuai (1):
fs/filescontrol: add a switch to enable / disable accounting of open
fds

Zhang Xiaoxu (1):
files_cgroup: fix error pointer when kvm_vm_worker_thread

yangerkun (1):
fs/dcache.c: avoid panic while lockref of dentry overflow

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2.34.1

#I90I68:修复编译问题