diff options
| author | Wei Yongjun | 2016-08-22 23:01:29 +0000 |
|---|---|---|
| committer | David S. Miller | 2016-08-23 17:00:26 -0700 |
| commit | 1345b1ac57a1b85d73912bd13c2bad5f9f26df91 (patch) | |
| tree | 86c2a0411c27cb71e54e8fe0e49d523dfc1362f4 /drivers | |
| parent | c41419b091f371d846bc5292c9138a78b7e378fe (diff) | |
xen-netback: using kfree_rcu() to simplify the code
The callback function of call_rcu() just calls a kfree(), so we
can use kfree_rcu() instead of call_rcu() + callback function.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/xen-netback/hash.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/net/xen-netback/hash.c b/drivers/net/xen-netback/hash.c index 282b16d8093a..e8c5dddc54ba 100644 --- a/drivers/net/xen-netback/hash.c +++ b/drivers/net/xen-netback/hash.c @@ -32,15 +32,6 @@ #include <linux/vmalloc.h> #include <linux/rculist.h> -static void xenvif_del_hash(struct rcu_head *rcu) -{ - struct xenvif_hash_cache_entry *entry; - - entry = container_of(rcu, struct xenvif_hash_cache_entry, rcu); - - kfree(entry); -} - static void xenvif_add_hash(struct xenvif *vif, const u8 *tag, unsigned int len, u32 val) { @@ -76,7 +67,7 @@ static void xenvif_add_hash(struct xenvif *vif, const u8 *tag, if (++vif->hash.cache.count > xenvif_hash_cache_size) { list_del_rcu(&oldest->link); vif->hash.cache.count--; - call_rcu(&oldest->rcu, xenvif_del_hash); + kfree_rcu(oldest, rcu); } } @@ -114,7 +105,7 @@ static void xenvif_flush_hash(struct xenvif *vif) list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { list_del_rcu(&entry->link); vif->hash.cache.count--; - call_rcu(&entry->rcu, xenvif_del_hash); + kfree_rcu(entry, rcu); } spin_unlock_irqrestore(&vif->hash.cache.lock, flags); |