diff options
Diffstat (limited to 'kernel/pid_namespace.c')
| -rw-r--r-- | kernel/pid_namespace.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index b3c7fd55425..478bad2745e 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/proc_fs.h> #include <linux/reboot.h> +#include <linux/export.h> #define BITS_PER_PAGE (PAGE_SIZE*8) @@ -144,6 +145,7 @@ void free_pid_ns(struct kref *kref) if (parent != NULL) put_pid_ns(parent); } +EXPORT_SYMBOL_GPL(free_pid_ns); void zap_pid_ns_processes(struct pid_namespace *pid_ns) { @@ -232,15 +234,19 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, */ tmp.data = ¤t->nsproxy->pid_ns->last_pid; - return proc_dointvec(&tmp, write, buffer, lenp, ppos); + return proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); } +extern int pid_max; +static int zero = 0; static struct ctl_table pid_ns_ctl_table[] = { { .procname = "ns_last_pid", .maxlen = sizeof(int), .mode = 0666, /* permissions are checked in the handler */ .proc_handler = pid_ns_ctl_handler, + .extra1 = &zero, + .extra2 = &pid_max, }, { } }; |