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cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits: net 

In future all cpumask ops will only be valid (in general) for bit
numbers < nr_cpu_ids.  So use that instead of NR_CPUS in iterators
and other comparisons.

This is always safe: no cpu number can be >= nr_cpu_ids, and
nr_cpu_ids is initialized to NR_CPUS at boot.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rusty Russell 2008-12-29 12:23:42 +00:00 committed by David S. Miller
parent f201a8a451
commit 0f23174aa8
4 changed files with 8 additions and 8 deletions
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4
net/core/neighbour.c
View File

@ -2414,7 +2414,7 @@ static void *neigh_stat_seq_start(struct seq_file *seq, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@ -2429,7 +2429,7 @@ static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct neigh_table *tbl = pde->data;
int cpu;
for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;

4
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
View File

@ -291,7 +291,7 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@ -306,7 +306,7 @@ static void *ct_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct net *net = seq_file_net(seq);
int cpu;
for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;

4
net/ipv4/route.c
View File

@ -429,7 +429,7 @@ static void *rt_cpu_seq_start(struct seq_file *seq, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@ -442,7 +442,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
int cpu;
for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;

4
net/netfilter/nf_conntrack_standalone.c
View File

@ -200,7 +200,7 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
if (*pos == 0)
return SEQ_START_TOKEN;
for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;
@ -215,7 +215,7 @@ static void *ct_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct net *net = seq_file_net(seq);
int cpu;
for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;