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linux-sg2042
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rps_dev_flow_table_release(): no need to delay vfree() 

The same story as with fib_trie patch - vfree() from RCU callbacks
is legitimate now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2013-05-05 16:05:55 +00:00 committed by David S. Miller
parent 0020356355
commit 243198d09f
2 changed files with 1 additions and 12 deletions
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1
include/linux/netdevice.h
View File

@ -593,7 +593,6 @@ struct rps_dev_flow {
struct rps_dev_flow_table {
unsigned int mask;
struct rcu_head rcu;
struct work_struct free_work;
struct rps_dev_flow flows[0];
};
#define RPS_DEV_FLOW_TABLE_SIZE(_num) (sizeof(struct rps_dev_flow_table) + \

12
net/core/net-sysfs.c
View File

@ -606,21 +606,11 @@ static ssize_t show_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
return sprintf(buf, "%lu\n", val);
}
static void rps_dev_flow_table_release_work(struct work_struct *work)
{
struct rps_dev_flow_table *table = container_of(work,
struct rps_dev_flow_table, free_work);
vfree(table);
}
static void rps_dev_flow_table_release(struct rcu_head *rcu)
{
struct rps_dev_flow_table *table = container_of(rcu,
struct rps_dev_flow_table, rcu);
INIT_WORK(&table->free_work, rps_dev_flow_table_release_work);
schedule_work(&table->free_work);
vfree(table);
}
static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,