lkml.org 
[lkml]   [2011]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 29/36] ipc,rcu: convert call_rcu(free_un) to kfree_rcu()


The rcu callback free_un() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(free_un).

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
---
ipc/sem.c | 10 ++--------
1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/ipc/sem.c b/ipc/sem.c
index 0e0d49b..243437e 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -689,12 +689,6 @@ static int count_semzcnt (struct sem_array * sma, ushort semnum)
return semzcnt;
}

-static void free_un(struct rcu_head *head)
-{
- struct sem_undo *un = container_of(head, struct sem_undo, rcu);
- kfree(un);
-}
-
/* Free a semaphore set. freeary() is called with sem_ids.rw_mutex locked
* as a writer and the spinlock for this semaphore set hold. sem_ids.rw_mutex
* remains locked on exit.
@@ -714,7 +708,7 @@ static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
un->semid = -1;
list_del_rcu(&un->list_proc);
spin_unlock(&un->ulp->lock);
- call_rcu(&un->rcu, free_un);
+ kfree_rcu(un, rcu);
}

/* Wake up all pending processes and let them fail with EIDRM. */
@@ -1610,7 +1604,7 @@ void exit_sem(struct task_struct *tsk)
sem_unlock(sma);
wake_up_sem_queue_do(&tasks);

- call_rcu(&un->rcu, free_un);
+ kfree_rcu(un, rcu);
}
kfree(ulp);
}
--
1.7.4

\
 
 \ /
  Last update: 2011-03-18 05:11    [W:0.021 / U:2.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site