diff options
Diffstat (limited to 'kernel/pid_namespace.c')
| -rw-r--r-- | kernel/pid_namespace.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 0bf44afe04dd..3028b2218aa4 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -110,9 +110,9 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns ns->user_ns = get_user_ns(user_ns); ns->ucounts = ucounts; ns->pid_allocated = PIDNS_ADDING; - - initialize_memfd_noexec_scope(ns); - +#if defined(CONFIG_SYSCTL) && defined(CONFIG_MEMFD_CREATE) + ns->memfd_noexec_scope = pidns_memfd_noexec_scope(parent_pid_ns); +#endif return ns; out_free_idr: @@ -286,12 +286,6 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, if (write && !checkpoint_restore_ns_capable(pid_ns->user_ns)) return -EPERM; - /* - * Writing directly to ns' last_pid field is OK, since this field - * is volatile in a living namespace anyway and a code writing to - * it should synchronize its usage with external means. - */ - next = idr_get_cursor(&pid_ns->idr) - 1; tmp.data = &next; |