linux-next/net/core/hotdata.c
Eric Dumazet c204fef97e net: move sysctl_mem_pcpu_rsv to net_hotdata
sysctl_mem_pcpu_rsv is used in TCP fast path,
move it to net_hodata for better cache locality.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240429134025.1233626-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-30 18:46:52 -07:00

26 lines
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C

// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/cache.h>
#include <linux/jiffies.h>
#include <linux/list.h>
#include <net/hotdata.h>
#include <net/proto_memory.h>
struct net_hotdata net_hotdata __cacheline_aligned = {
.offload_base = LIST_HEAD_INIT(net_hotdata.offload_base),
.ptype_all = LIST_HEAD_INIT(net_hotdata.ptype_all),
.gro_normal_batch = 8,
.netdev_budget = 300,
/* Must be at least 2 jiffes to guarantee 1 jiffy timeout */
.netdev_budget_usecs = 2 * USEC_PER_SEC / HZ,
.tstamp_prequeue = 1,
.max_backlog = 1000,
.dev_tx_weight = 64,
.dev_rx_weight = 64,
.sysctl_max_skb_frags = MAX_SKB_FRAGS,
.sysctl_skb_defer_max = 64,
.sysctl_mem_pcpu_rsv = SK_MEMORY_PCPU_RESERVE
};
EXPORT_SYMBOL(net_hotdata);