openwrt/target/linux/generic/hack-6.6/661-kernel-ct-size-the-hashtable-more-adequately.patch
John Audia 4081bc3f6c kernel: bump 6.6 to 6.6.72
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.72

Dropped to due being superseded by upstream patch:
	mediatek/patches-6.6/870-drm-mediatek-only-touch-DISP_REG_OVL_PITCH_MSB-if-AF.patch[1]

All other patches automatically rebased.

1. ac7f5641e9

Build system: x86/64
Build-tested: bcm27xx/bcm2712, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: bcm27xx/bcm2712, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/17646
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 1d021458fd681dc4c27615a574cc09cc57d1c51e)
2025-01-21 00:19:54 +01:00

26 lines
1006 B
Diff

From 804fbb3f2ec9283f7b778e057a68bfff440a0be6 Mon Sep 17 00:00:00 2001
From: Rui Salvaterra <rsalvaterra@gmail.com>
Date: Wed, 30 Mar 2022 22:51:55 +0100
Subject: [PATCH] kernel: ct: size the hashtable more adequately
To set the default size of the connection tracking hash table, a divider of
16384 becomes inadequate for a router handling lots of connections. Divide by
2048 instead, making the default size scale better with the available RAM.
Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
---
net/netfilter/nf_conntrack_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2685,7 +2685,7 @@ int nf_conntrack_init_start(void)
if (!nf_conntrack_htable_size) {
nf_conntrack_htable_size
- = (((nr_pages << PAGE_SHIFT) / 16384)
+ = (((nr_pages << PAGE_SHIFT) / 2048)
/ sizeof(struct hlist_head));
if (BITS_PER_LONG >= 64 &&
nr_pages > (4 * (1024 * 1024 * 1024 / PAGE_SIZE)))