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authorEric Dumazet <eric.dumazet@gmail.com>2010-03-24 19:13:54 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-25 12:07:00 -0700
commitdf3345457a7a174dfb5872a070af80d456985038 (patch)
treed8d2d2a86d0b3473783ea2709ff242817e78ed54 /include/linux/netdevice.h
parent2381a55c88453d3f29fe62d235579a05fc20b7b3 (diff)
downloadlwn-df3345457a7a174dfb5872a070af80d456985038.tar.gz
lwn-df3345457a7a174dfb5872a070af80d456985038.zip
rps: add CONFIG_RPS
RPS currently depends on SMP and SYSFS Adding a CONFIG_RPS makes sense in case this requirement changes in the future. This patch saves about 1500 bytes of kernel text in case SMP is on but SYSFS is off. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c96c41e08e37..53c272f2a734 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -531,6 +531,7 @@ struct netdev_queue {
unsigned long tx_dropped;
} ____cacheline_aligned_in_smp;
+#ifdef CONFIG_RPS
/*
* This structure holds an RPS map which can be of variable length. The
* map is an array of CPUs.
@@ -549,6 +550,7 @@ struct netdev_rx_queue {
struct netdev_rx_queue *first;
atomic_t count;
} ____cacheline_aligned_in_smp;
+#endif
/*
* This structure defines the management hooks for network devices.
@@ -897,12 +899,14 @@ struct net_device {
unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */
+#ifdef CONFIG_RPS
struct kset *queues_kset;
struct netdev_rx_queue *_rx;
/* Number of RX queues allocated at alloc_netdev_mq() time */
unsigned int num_rx_queues;
+#endif
struct netdev_queue rx_queue;