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yaml --- r: 40964 b: refs/heads/master c: 52bf376 h: refs/heads/master v: v3
git-mirror · Nov 16, 2006 · e3a2809 · e3a2809
1 parent c603ddf
commit e3a2809
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 337dde798dd1f3e4d4df4e684a0b4355dd65103d
+refs/heads/master: 52bf376c63eebe72e862a1a6e713976b038c3f50
diff --git a/trunk/net/ipv4/tcp.c b/trunk/net/ipv4/tcp.c
@@ -2316,9 +2316,10 @@ void __init tcp_init(void)
 		sysctl_max_syn_backlog = 128;
 	}
 
-	sysctl_tcp_mem[0] =  768 << order;
-	sysctl_tcp_mem[1] = 1024 << order;
-	sysctl_tcp_mem[2] = 1536 << order;
+	/* 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;
 
 	limit = ((unsigned long)sysctl_tcp_mem[1]) << (PAGE_SHIFT - 7);
 	max_share = min(4UL*1024*1024, limit);