0022-tcp-write-buffer.patch

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 30c1142..4345075 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -5226,7 +5226,7 @@ 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_wshare = min(16UL*1024*1024, limit);
 	max_rshare = min(32UL*1024*1024, limit);

 	init_net.ipv4.sysctl_tcp_wmem[0] = PAGE_SIZE;
--
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