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[PATCH] for_each_possible_cpu: network codes

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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>
This commit is contained in:
KAMEZAWA Hiroyuki
2006-04-10 22:52:50 -07:00
committed by Linus Torvalds
parent dd7ba3b8b1
commit 6f91204225
20 changed files with 40 additions and 40 deletions
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4
net/ipv4/proc.c
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@@ -49,7 +49,7 @@ static int fold_prot_inuse(struct proto *proto)
int res = 0;
int cpu;
for_each_cpu(cpu)
for_each_possible_cpu(cpu)
res += proto->stats[cpu].inuse;
return res;
@@ -91,7 +91,7 @@ fold_field(void *mib[], int offt)
unsigned long res = 0;
int i;
for_each_cpu(i) {
for_each_possible_cpu(i) {
res += *(((unsigned long *) per_cpu_ptr(mib[0], i)) + offt);
res += *(((unsigned long *) per_cpu_ptr(mib[1], i)) + offt);
}