Unverified Commit 488acdce authored by Christian Brauner's avatar Christian Brauner
Browse files

pid: support ns lookup 



Support the generic ns lookup infrastructure to support file handles for
namespaces.

Signed-off-by: default avatarChristian Brauner <brauner@kernel.org>
parent 195f7422

kernel/pid_namespace.c

+4 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
#include <linux/sched/task.h>

#include <linux/sched/signal.h>

#include <linux/idr.h>

#include <linux/nstree.h>

#include <uapi/linux/wait.h>

#include "pid_sysctl.h"
@@ -122,6 +123,7 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns 
	ns->memfd_noexec_scope = pidns_memfd_noexec_scope(parent_pid_ns);

#endif



	ns_tree_add(ns);

	return ns;



out_free_inum:
@@ -147,6 +149,7 @@ static void delayed_free_pidns(struct rcu_head *p) 


static void destroy_pid_namespace(struct pid_namespace *ns)

{

	ns_tree_remove(ns);

	unregister_pidns_sysctls(ns);



	ns_free_inum(&ns->ns);
@@ -473,6 +476,7 @@ static __init int pid_namespaces_init(void) 
#endif



	register_pid_ns_sysctl_table_vm();

	ns_tree_add(&init_pid_ns);

	return 0;

}