--- zzzz-none-000/linux-2.6.19.2/net/ipv4/tcp.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/net/ipv4/tcp.c	2007-01-11 07:38:19.000000000 +0000
@@ -2270,7 +2270,7 @@
 					thash_entries,
 					(num_physpages >= 128 * 1024) ?
 					13 : 15,
-					0,
+					HASH_HIGHMEM,
 					&tcp_hashinfo.ehash_size,
 					NULL,
 					0);
@@ -2286,7 +2286,7 @@
 					tcp_hashinfo.ehash_size,
 					(num_physpages >= 128 * 1024) ?
 					13 : 15,
-					0,
+					HASH_HIGHMEM,
 					&tcp_hashinfo.bhash_size,
 					NULL,
 					64 * 1024);
@@ -2316,10 +2316,9 @@
 		sysctl_max_syn_backlog = 128;
 	}
 
-	/* Allow no more than 3/4 kernel memory (usually less) allocated to TCP */
-	sysctl_tcp_mem[0] = (1536 / sizeof (struct inet_bind_hashbucket)) << order;
-	sysctl_tcp_mem[1] = sysctl_tcp_mem[0] * 4 / 3;
-	sysctl_tcp_mem[2] = sysctl_tcp_mem[0] * 2;
+	sysctl_tcp_mem[0] =  768 << order;
+	sysctl_tcp_mem[1] = 1024 << order;
+	sysctl_tcp_mem[2] = 1536 << order;
 
 	limit = ((unsigned long)sysctl_tcp_mem[1]) << (PAGE_SHIFT - 7);
 	max_share = min(4UL*1024*1024, limit);