diff options
Diffstat (limited to 'include/linux/ipc_namespace.h')
| -rw-r--r-- | include/linux/ipc_namespace.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index 65327ee0936b..b5630c8eb2f3 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IPC_NAMESPACE_H__ #define __IPC_NAMESPACE_H__ @@ -7,19 +8,26 @@ #include <linux/notifier.h> #include <linux/nsproxy.h> #include <linux/ns_common.h> +#include <linux/refcount.h> +#include <linux/rhashtable.h> struct user_namespace; struct ipc_ids { int in_use; unsigned short seq; + bool tables_initialized; struct rw_semaphore rwsem; struct idr ipcs_idr; + int max_id; +#ifdef CONFIG_CHECKPOINT_RESTORE int next_id; +#endif + struct rhashtable key_ht; }; struct ipc_namespace { - atomic_t count; + refcount_t count; struct ipc_ids ids[3]; int sem_ctls[4]; @@ -118,7 +126,7 @@ extern struct ipc_namespace *copy_ipcs(unsigned long flags, static inline struct ipc_namespace *get_ipc_ns(struct ipc_namespace *ns) { if (ns) - atomic_inc(&ns->count); + refcount_inc(&ns->count); return ns; } |