--- a/net/ipv4/tcp.c	2015-10-28 13:34:09.604899230 -0700
+++ b/net/ipv4/tcp.c	2016-02-08 14:07:24.272508518 -0800
@@ -3099,7 +3099,7 @@
 
 static void __init tcp_init_mem(void)
 {
-	unsigned long limit = nr_free_buffer_pages() / 16;
+	unsigned long limit = nr_free_buffer_pages() / 8;
 
 	limit = max(limit, 128UL);
 	sysctl_tcp_mem[0] = limit / 4 * 3;		/* 4.68 % */