diff options
Diffstat (limited to 'kernel/pid_namespace.c')
| -rw-r--r-- | kernel/pid_namespace.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 98702b4b8851..fab8ea86fac3 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -12,6 +12,7 @@ #include <linux/pid_namespace.h> #include <linux/syscalls.h> #include <linux/err.h> +#include <linux/acct.h> #define BITS_PER_PAGE (PAGE_SIZE*8) @@ -71,7 +72,7 @@ static struct pid_namespace *create_pid_namespace(unsigned int level) struct pid_namespace *ns; int i; - ns = kmem_cache_alloc(pid_ns_cachep, GFP_KERNEL); + ns = kmem_cache_zalloc(pid_ns_cachep, GFP_KERNEL); if (ns == NULL) goto out; @@ -84,17 +85,13 @@ static struct pid_namespace *create_pid_namespace(unsigned int level) goto out_free_map; kref_init(&ns->kref); - ns->last_pid = 0; - ns->child_reaper = NULL; ns->level = level; set_bit(0, ns->pidmap[0].page); atomic_set(&ns->pidmap[0].nr_free, BITS_PER_PAGE - 1); - for (i = 1; i < PIDMAP_ENTRIES; i++) { - ns->pidmap[i].page = NULL; + for (i = 1; i < PIDMAP_ENTRIES; i++) atomic_set(&ns->pidmap[i].nr_free, BITS_PER_PAGE); - } return ns; @@ -182,9 +179,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns) rc = sys_wait4(-1, NULL, __WALL, NULL); } while (rc != -ECHILD); - - /* Child reaper for the pid namespace is going away */ - pid_ns->child_reaper = NULL; + acct_exit_ns(pid_ns); return; } |