diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/Makefile | 2 | ||||
| -rw-r--r-- | kernel/nscommon.c | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/kernel/Makefile b/kernel/Makefile index b807516a1b43..1f48f7cd2d7b 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -8,7 +8,7 @@ obj-y = fork.o exec_domain.o panic.o \ sysctl.o capability.o ptrace.o user.o \ signal.o sys.o umh.o workqueue.o pid.o task_work.o \ extable.o params.o \ - kthread.o sys_ni.o nsproxy.o nstree.o \ + kthread.o sys_ni.o nsproxy.o nstree.o nscommon.o \ notifier.o ksysfs.o cred.o reboot.o \ async.o range.o smpboot.o ucount.o regset.o ksyms_common.o diff --git a/kernel/nscommon.c b/kernel/nscommon.c new file mode 100644 index 000000000000..ebf4783d0505 --- /dev/null +++ b/kernel/nscommon.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include <linux/ns_common.h> + +int ns_common_init(struct ns_common *ns, const struct proc_ns_operations *ops, + bool alloc_inum) +{ + if (alloc_inum) { + int ret; + ret = proc_alloc_inum(&ns->inum); + if (ret) + return ret; + } + refcount_set(&ns->count, 1); + ns->stashed = NULL; + ns->ops = ops; + ns->ns_id = 0; + RB_CLEAR_NODE(&ns->ns_tree_node); + INIT_LIST_HEAD(&ns->ns_list_node); + return 0; +} |