Commit 243198d0 authored by Al Viro's avatar Al Viro Committed by David S. Miller
Browse files

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: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 00203563

include/linux/netdevice.h

+0 −1
Original line number Diff line number Diff line
@@ -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) + \

net/core/net-sysfs.c

+1 −11
Original line number Diff line number Diff line
@@ -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,