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ipc: scale msgmni to the number of ipc namespaces
[safe/jmp/linux-2.6]
/
ipc
/
namespace.c
diff --git
a/ipc/namespace.c
b/ipc/namespace.c
index
1b96765
..
fe3c97a
100644
(file)
--- a/
ipc/namespace.c
+++ b/
ipc/namespace.c
@@
-20,6
+20,8
@@
static struct ipc_namespace *clone_ipc_ns(struct ipc_namespace *old_ns)
if (ns == NULL)
return ERR_PTR(-ENOMEM);
+ atomic_inc(&nr_ipc_ns);
+
sem_init_ns(ns);
msg_init_ns(ns);
shm_init_ns(ns);
@@
-83,4
+85,5
@@
void free_ipc_ns(struct kref *kref)
msg_exit_ns(ns);
shm_exit_ns(ns);
kfree(ns);
+ atomic_dec(&nr_ipc_ns);
}