package/kernel/linux/0111-ipv4-tcp-allow-the-memory-tuning-for-tcp-to-go-a-lit.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Arjan van de Ven <arjan@linux.intel.com>
   3 Date: Fri, 6 Jan 2017 15:34:09 +0000
   4 Subject: [PATCH] ipv4/tcp: allow the memory tuning for tcp to go a little
   5  bigger than default
   6
   7 ---
   8  net/ipv4/tcp.c | 4 ++--
   9  1 file changed, 2 insertions(+), 2 deletions(-)
  10
  11 diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
  12 index 001e16ee1506..a4ab10beb872 100644
  13 --- a/net/ipv4/tcp.c
  14 +++ b/net/ipv4/tcp.c
  15 @@ -4183,8 +4183,8 @@ void __init tcp_init(void)
  16         tcp_init_mem();
  17         /* Set per-socket limits to no more than 1/128 the pressure threshold */
  18         limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7);
  19 -       max_wshare = min(4UL*1024*1024, limit);
  20 -       max_rshare = min(6UL*1024*1024, limit);
  21 +       max_wshare = min(16UL*1024*1024, limit);
  22 +       max_rshare = min(16UL*1024*1024, limit);
  23
  24         init_net.ipv4.sysctl_tcp_wmem[0] = SK_MEM_QUANTUM;
  25         init_net.ipv4.sysctl_tcp_wmem[1] = 16*1024;
  26 --
  27 https://clearlinux.org
  28