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7be35813ed
Refreshed patches for generic/hack-6.18 by running make target/linux/refresh Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com> Link: https://github.com/openwrt/openwrt/pull/21078 Signed-off-by: Robert Marko <robimarko@gmail.com>
26 lines
1006 B
Diff
26 lines
1006 B
Diff
From 804fbb3f2ec9283f7b778e057a68bfff440a0be6 Mon Sep 17 00:00:00 2001
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From: Rui Salvaterra <rsalvaterra@gmail.com>
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Date: Wed, 30 Mar 2022 22:51:55 +0100
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Subject: [PATCH] kernel: ct: size the hashtable more adequately
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To set the default size of the connection tracking hash table, a divider of
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16384 becomes inadequate for a router handling lots of connections. Divide by
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2048 instead, making the default size scale better with the available RAM.
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Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
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---
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net/netfilter/nf_conntrack_core.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/net/netfilter/nf_conntrack_core.c
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+++ b/net/netfilter/nf_conntrack_core.c
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@@ -2640,7 +2640,7 @@ int nf_conntrack_init_start(void)
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if (!nf_conntrack_htable_size) {
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nf_conntrack_htable_size
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- = (((nr_pages << PAGE_SHIFT) / 16384)
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+ = (((nr_pages << PAGE_SHIFT) / 2048)
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/ sizeof(struct hlist_head));
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if (BITS_PER_LONG >= 64 &&
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nr_pages > (4 * (1024 * 1024 * 1024 / PAGE_SIZE)))
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