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| author | Eric Dumazet <edumazet@google.com> | 2024-03-06 16:00:15 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 21:12:41 -0800 |
| commit | ae6e22f7b7f0702015d86cfa036492b94be92f04 (patch) | |
| tree | c741be416be49dc0015f2d02b5e0f81a6a9cb2aa /net/core/dev.c | |
| parent | 2658b5a8a4eee5fad378d0bde2f221deacbc58f1 (diff) | |
| download | lwn-ae6e22f7b7f0702015d86cfa036492b94be92f04.tar.gz lwn-ae6e22f7b7f0702015d86cfa036492b94be92f04.zip | |
net: move netdev_budget and netdev_budget to net_hotdata
netdev_budget and netdev_budget are used in rx path (net_rx_action())
Move them into 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/20240306160031.874438-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index bf933eeaa688..9ccb48618dba 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4410,9 +4410,6 @@ EXPORT_SYMBOL(netdev_max_backlog); int netdev_tstamp_prequeue __read_mostly = 1; unsigned int sysctl_skb_defer_max __read_mostly = 64; -int netdev_budget __read_mostly = 300; -/* Must be at least 2 jiffes to guarantee 1 jiffy timeout */ -unsigned int __read_mostly netdev_budget_usecs = 2 * USEC_PER_SEC / HZ; int weight_p __read_mostly = 64; /* old backlog weight */ int dev_weight_rx_bias __read_mostly = 1; /* bias for backlog weight */ int dev_weight_tx_bias __read_mostly = 1; /* bias for output_queue quota */ @@ -6790,8 +6787,8 @@ static __latent_entropy void net_rx_action(struct softirq_action *h) { struct softnet_data *sd = this_cpu_ptr(&softnet_data); unsigned long time_limit = jiffies + - usecs_to_jiffies(READ_ONCE(netdev_budget_usecs)); - int budget = READ_ONCE(netdev_budget); + usecs_to_jiffies(READ_ONCE(net_hotdata.netdev_budget_usecs)); + int budget = READ_ONCE(net_hotdata.netdev_budget); LIST_HEAD(list); LIST_HEAD(repoll); |