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authorEric Dumazet <edumazet@google.com>2024-03-06 16:00:16 +0000
committerJakub Kicinski <kuba@kernel.org>2024-03-07 21:12:41 -0800
commitf59b5416c396ac4910dd7a0cdf26cbb0e1faf529 (patch)
tree1b784ffa55c2fe8ea83ada0003a36faf1d24fe47 /net/core/dev.c
parentae6e22f7b7f0702015d86cfa036492b94be92f04 (diff)
net: move netdev_tstamp_prequeue into net_hotdata
netdev_tstamp_prequeue is used in rx path. Move it to net_hotdata for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240306160031.874438-4-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 9ccb48618dba..f2f44303c035 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4408,7 +4408,6 @@ EXPORT_SYMBOL(__dev_direct_xmit);
int netdev_max_backlog __read_mostly = 1000;
EXPORT_SYMBOL(netdev_max_backlog);
-int netdev_tstamp_prequeue __read_mostly = 1;
unsigned int sysctl_skb_defer_max __read_mostly = 64;
int weight_p __read_mostly = 64; /* old backlog weight */
int dev_weight_rx_bias __read_mostly = 1; /* bias for backlog weight */
@@ -5052,7 +5051,7 @@ static int netif_rx_internal(struct sk_buff *skb)
{
int ret;
- net_timestamp_check(READ_ONCE(netdev_tstamp_prequeue), skb);
+ net_timestamp_check(READ_ONCE(net_hotdata.tstamp_prequeue), skb);
trace_netif_rx(skb);
@@ -5344,7 +5343,7 @@ static int __netif_receive_skb_core(struct sk_buff **pskb, bool pfmemalloc,
int ret = NET_RX_DROP;
__be16 type;
- net_timestamp_check(!READ_ONCE(netdev_tstamp_prequeue), skb);
+ net_timestamp_check(!READ_ONCE(net_hotdata.tstamp_prequeue), skb);
trace_netif_receive_skb(skb);
@@ -5728,7 +5727,7 @@ static int netif_receive_skb_internal(struct sk_buff *skb)
{
int ret;
- net_timestamp_check(READ_ONCE(netdev_tstamp_prequeue), skb);
+ net_timestamp_check(READ_ONCE(net_hotdata.tstamp_prequeue), skb);
if (skb_defer_rx_timestamp(skb))
return NET_RX_SUCCESS;
@@ -5758,7 +5757,8 @@ void netif_receive_skb_list_internal(struct list_head *head)
INIT_LIST_HEAD(&sublist);
list_for_each_entry_safe(skb, next, head, list) {
- net_timestamp_check(READ_ONCE(netdev_tstamp_prequeue), skb);
+ net_timestamp_check(READ_ONCE(net_hotdata.tstamp_prequeue),
+ skb);
skb_list_del_init(skb);
if (!skb_defer_rx_timestamp(skb))
list_add_tail(&skb->list, &sublist);