boot_time_opt: update host boot time optimization patches for 4.14

The new patches are based on:
https://github.com/clearlinux-pkgs/linux-lts
commit 5595fe425a52af6734235a1a953b6b03210060ec

Signed-off-by: Martin Borg <martin.borg@enea.com>
Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/patches/boot_time_opt/0120-ipv4-tcp-allow-the-memory-tuning-for-tcp-to-go-a-lit.patch b/patches/boot_time_opt/0120-ipv4-tcp-allow-the-memory-tuning-for-tcp-to-go-a-lit.patch
new file mode 100644
index 0000000..8dbec8f
--- /dev/null
+++ b/patches/boot_time_opt/0120-ipv4-tcp-allow-the-memory-tuning-for-tcp-to-go-a-lit.patch
@@ -0,0 +1,28 @@
+From 4492e1f2e57ae6d0c5e0470309f0ba3051cc6228 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 120/126] 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 5091402720ab..61c37e60f393 100644
+--- a/net/ipv4/tcp.c
++++ b/net/ipv4/tcp.c
+@@ -3528,8 +3528,8 @@ 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);
+ 
+        sysctl_tcp_wmem[0] = SK_MEM_QUANTUM;
+        sysctl_tcp_wmem[1] = 16*1024;
+-- 
+2.15.0
+