VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / ipc / util.c

diff --git a/ipc/util.c b/ipc/util.c
index eb61fb7..d84ac51 100644 (file)
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -336,25 +336,40 @@ void* ipc_rcu_alloc(int size)
  * Since RCU callback function is called in bh,
  * we need to defer the vfree to schedule_work
  */
-static void ipc_schedule_free(void* arg)
+static void ipc_schedule_free(struct rcu_head *head)
 {
-       struct ipc_rcu_vmalloc *free = arg;
+       struct ipc_rcu_vmalloc *free =
+               container_of(head, struct ipc_rcu_vmalloc, rcu);
 
        INIT_WORK(&free->work, vfree, free);
        schedule_work(&free->work);
 }
 
+/**
+ *     ipc_immediate_free      - free ipc + rcu space
+ *
+ *     Free from the RCU callback context
+ *
+ */
+static void ipc_immediate_free(struct rcu_head *head)
+{
+       struct ipc_rcu_kmalloc *free =
+               container_of(head, struct ipc_rcu_kmalloc, rcu);
+       kfree(free);
+}
+
+
+
 void ipc_rcu_free(void* ptr, int size)
 {
        if (rcu_use_vmalloc(size)) {
                struct ipc_rcu_vmalloc *free;
                free = ptr - sizeof(*free);
-               call_rcu(&free->rcu, ipc_schedule_free, free);
+               call_rcu(&free->rcu, ipc_schedule_free);
        } else {
                struct ipc_rcu_kmalloc *free;
                free = ptr - sizeof(*free);
-               /* kfree takes a "const void *" so gcc warns.  So we cast. */
-               call_rcu(&free->rcu, (void (*)(void *))kfree, free);
+               call_rcu(&free->rcu, ipc_immediate_free);
        }
 
 }