diff options
| -rw-r--r-- | include/linux/netdevice.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 18d8394..934ca86 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2747,11 +2747,15 @@ struct softnet_data { struct sk_buff *completion_queue; #ifdef CONFIG_RPS - /* Elements below can be accessed between CPUs for RPS */ + /* input_queue_head should be written by cpu owning this struct, + * and only read by other cpus. Worth using a cache line. + */ + unsigned int input_queue_head ____cacheline_aligned_in_smp; + + /* Elements below can be accessed between CPUs for RPS/RFS */ struct call_single_data csd ____cacheline_aligned_in_smp; struct softnet_data *rps_ipi_next; unsigned int cpu; - unsigned int input_queue_head; unsigned int input_queue_tail; #endif unsigned int dropped; |
