Convert IP route stats to cpu alloc.

Signed-off-by: Christoph Lameter <clameter@sgi.com>

Index: linux-2.6/net/ipv4/ip_input.c
===================================================================
--- linux-2.6.orig/net/ipv4/ip_input.c	2008-05-21 22:37:24.000000000 -0700
+++ linux-2.6/net/ipv4/ip_input.c	2008-05-21 22:38:39.000000000 -0700
@@ -345,7 +345,7 @@
 
 #ifdef CONFIG_NET_CLS_ROUTE
 	if (unlikely(skb->dst->tclassid)) {
-		struct ip_rt_acct *st = per_cpu_ptr(ip_rt_acct, smp_processor_id());
+		struct ip_rt_acct *st = THIS_CPU(ip_rt_acct);
 		u32 idx = skb->dst->tclassid;
 		st[idx&0xFF].o_packets++;
 		st[idx&0xFF].o_bytes+=skb->len;
Index: linux-2.6/net/ipv4/route.c
===================================================================
--- linux-2.6.orig/net/ipv4/route.c	2008-05-21 22:37:24.000000000 -0700
+++ linux-2.6/net/ipv4/route.c	2008-05-21 22:38:39.000000000 -0700
@@ -534,7 +534,7 @@
 			unsigned int j;
 			u32 *src;
 
-			src = ((u32 *) per_cpu_ptr(ip_rt_acct, i)) + offset;
+			src = ((u32 *) CPU_PTR(ip_rt_acct, i)) + offset;
 			for (j = 0; j < length/4; j++)
 				dst[j] += src[j];
 		}
@@ -3035,7 +3035,8 @@
 			     (jiffies ^ (jiffies >> 7))));
 
 #ifdef CONFIG_NET_CLS_ROUTE
-	ip_rt_acct = __alloc_percpu(256 * sizeof(struct ip_rt_acct));
+	ip_rt_acct = cpu_alloc(256 * sizeof(struct ip_rt_acct),
+		GFP_KERNEL|__GFP_ZERO, __alignof__(struct ip_rt_acct));
 	if (!ip_rt_acct)
 		panic("IP: failed to allocate ip_rt_acct\n");
 #endif

-- 
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