diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-03-24 15:13:54 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-03-25 15:07:00 -0400 |
commit | df3345457a7a174dfb5872a070af80d456985038 (patch) | |
tree | d8d2d2a86d0b3473783ea2709ff242817e78ed54 /include | |
parent | 2381a55c88453d3f29fe62d235579a05fc20b7b3 (diff) |
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')
-rw-r--r-- | include/linux/netdevice.h | 4 |
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 { | |||
531 | unsigned long tx_dropped; | 531 | unsigned long tx_dropped; |
532 | } ____cacheline_aligned_in_smp; | 532 | } ____cacheline_aligned_in_smp; |
533 | 533 | ||
534 | #ifdef CONFIG_RPS | ||
534 | /* | 535 | /* |
535 | * This structure holds an RPS map which can be of variable length. The | 536 | * This structure holds an RPS map which can be of variable length. The |
536 | * map is an array of CPUs. | 537 | * map is an array of CPUs. |
@@ -549,6 +550,7 @@ struct netdev_rx_queue { | |||
549 | struct netdev_rx_queue *first; | 550 | struct netdev_rx_queue *first; |
550 | atomic_t count; | 551 | atomic_t count; |
551 | } ____cacheline_aligned_in_smp; | 552 | } ____cacheline_aligned_in_smp; |
553 | #endif | ||
552 | 554 | ||
553 | /* | 555 | /* |
554 | * This structure defines the management hooks for network devices. | 556 | * This structure defines the management hooks for network devices. |
@@ -897,12 +899,14 @@ struct net_device { | |||
897 | 899 | ||
898 | unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ | 900 | unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ |
899 | 901 | ||
902 | #ifdef CONFIG_RPS | ||
900 | struct kset *queues_kset; | 903 | struct kset *queues_kset; |
901 | 904 | ||
902 | struct netdev_rx_queue *_rx; | 905 | struct netdev_rx_queue *_rx; |
903 | 906 | ||
904 | /* Number of RX queues allocated at alloc_netdev_mq() time */ | 907 | /* Number of RX queues allocated at alloc_netdev_mq() time */ |
905 | unsigned int num_rx_queues; | 908 | unsigned int num_rx_queues; |
909 | #endif | ||
906 | 910 | ||
907 | struct netdev_queue rx_queue; | 911 | struct netdev_queue rx_queue; |
908 | 912 | ||