summaryrefslogtreecommitdiffstats
path: root/net/core
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2024-04-29 15:40:25 +0200
committerJakub Kicinski <kuba@kernel.org>2024-05-01 03:46:52 +0200
commitc204fef97ee62ca3310f43d12bbda4eb10266c7c (patch)
tree6cc12ade57310fb99b3a64b72516bee33488c1b3 /net/core
parentnet: add <net/proto_memory.h> (diff)
downloadlinux-c204fef97ee62ca3310f43d12bbda4eb10266c7c.tar.xz
linux-c204fef97ee62ca3310f43d12bbda4eb10266c7c.zip
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/hotdata.c5
-rw-r--r--net/core/sock.c1
-rw-r--r--net/core/sysctl_net_core.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/net/core/hotdata.c b/net/core/hotdata.c
index a359ff160d54..d0aaaaa556f2 100644
--- a/net/core/hotdata.c
+++ b/net/core/hotdata.c
@@ -1,9 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-or-later
-#include <net/hotdata.h>
#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),
@@ -20,5 +20,6 @@ struct net_hotdata net_hotdata __cacheline_aligned = {
.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);
diff --git a/net/core/sock.c b/net/core/sock.c
index e0692b752369..8d6e638b5426 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -284,7 +284,6 @@ __u32 sysctl_rmem_max __read_mostly = SK_RMEM_MAX;
EXPORT_SYMBOL(sysctl_rmem_max);
__u32 sysctl_wmem_default __read_mostly = SK_WMEM_MAX;
__u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
-int sysctl_mem_pcpu_rsv __read_mostly = SK_MEMORY_PCPU_RESERVE;
int sysctl_tstamp_allow_data __read_mostly = 1;
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index a452a330d0ed..6da5995ac86a 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -416,7 +416,7 @@ static struct ctl_table net_core_table[] = {
},
{
.procname = "mem_pcpu_rsv",
- .data = &sysctl_mem_pcpu_rsv,
+ .data = &net_hotdata.sysctl_mem_pcpu_rsv,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,