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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2006-04-11 01:52:50 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 09:18:31 -0400
commit6f912042256c12b0927438122594f5379b364f5d (patch)
treec11949814057b356d5896e7f025ec15132dbff78 /net/ipv6/proc.c
parentdd7ba3b8b15f9c65366986d723ae83254d8d78b7 (diff)
[PATCH] for_each_possible_cpu: network codes
for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu under /net Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'net/ipv6/proc.c')
-rw-r--r--net/ipv6/proc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 4238b1ed8860..779ddf77f4d4 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -38,7 +38,7 @@ static int fold_prot_inuse(struct proto *proto)
38 int res = 0; 38 int res = 0;
39 int cpu; 39 int cpu;
40 40
41 for_each_cpu(cpu) 41 for_each_possible_cpu(cpu)
42 res += proto->stats[cpu].inuse; 42 res += proto->stats[cpu].inuse;
43 43
44 return res; 44 return res;
@@ -140,7 +140,7 @@ fold_field(void *mib[], int offt)
140 unsigned long res = 0; 140 unsigned long res = 0;
141 int i; 141 int i;
142 142
143 for_each_cpu(i) { 143 for_each_possible_cpu(i) {
144 res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt); 144 res += *(((unsigned long *)per_cpu_ptr(mib[0], i)) + offt);
145 res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt); 145 res += *(((unsigned long *)per_cpu_ptr(mib[1], i)) + offt);
146 } 146 }