gentoo-overlay/sys-kernel/hardened-kernel/files/linux-5.4/9112_0112-ipv4-tcp-allow-th...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Arjan van de Ven <arjan@linux.intel.com>
Date: Fri, 6 Jan 2017 15:34:09 +0000
Subject: [PATCH] ipv4/tcp: allow the memory tuning for tcp to go a little
bigger than default
---
net/ipv4/tcp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index d8876f0e9672..bbd15a66bf6e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -4001,8 +4001,8 @@ void __init tcp_init(void)
tcp_init_mem();
/* Set per-socket limits to no more than 1/128 the pressure threshold */
limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7);
- max_wshare = min(4UL*1024*1024, limit);
- max_rshare = min(6UL*1024*1024, limit);
+ max_wshare = min(16UL*1024*1024, limit);
+ max_rshare = min(16UL*1024*1024, limit);
init_net.ipv4.sysctl_tcp_wmem[0] = SK_MEM_QUANTUM;
init_net.ipv4.sysctl_tcp_wmem[1] = 16*1024;
--
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