diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-07 15:43:04 +0100 |
commit | a56e74f546b64be93731e42d83baf5b538cc1b11 (patch) | |
tree | 18f6dee45d801e57ac9db2a31664b0d5c0762c50 /ipc/util.c | |
parent | d08e2e09042bd3f7ef66a35cb4bb92794ab26bb2 (diff) | |
parent | e4e7f10bfc4069925e99cc4b428c3434e30b6c3f (diff) |
Merge branch 'arm-aesbs' of git://git.linaro.org/people/ardbiesheuvel/linux-arm into devel-stable
Diffstat (limited to 'ipc/util.c')
-rw-r--r-- | ipc/util.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/ipc/util.c b/ipc/util.c index e829da9ed01..fdb8ae74077 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -474,11 +474,6 @@ void ipc_free(void* ptr, int size) kfree(ptr); } -struct ipc_rcu { - struct rcu_head rcu; - atomic_t refcount; -} ____cacheline_aligned_in_smp; - /** * ipc_rcu_alloc - allocate ipc and rcu space * @size: size desired @@ -505,27 +500,24 @@ int ipc_rcu_getref(void *ptr) return atomic_inc_not_zero(&p->refcount); } -/** - * ipc_schedule_free - free ipc + rcu space - * @head: RCU callback structure for queued work - */ -static void ipc_schedule_free(struct rcu_head *head) -{ - vfree(container_of(head, struct ipc_rcu, rcu)); -} - -void ipc_rcu_putref(void *ptr) +void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head)) { struct ipc_rcu *p = ((struct ipc_rcu *)ptr) - 1; if (!atomic_dec_and_test(&p->refcount)) return; - if (is_vmalloc_addr(ptr)) { - call_rcu(&p->rcu, ipc_schedule_free); - } else { - kfree_rcu(p, rcu); - } + call_rcu(&p->rcu, func); +} + +void ipc_rcu_free(struct rcu_head *head) +{ + struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu); + + if (is_vmalloc_addr(p)) + vfree(p); + else + kfree(p); } /** |