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-rw-r--r--mm/page_alloc.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 234bd4895d1..61775866ea1 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1214,24 +1214,22 @@ DEFINE_PER_CPU(long, nr_pagecache_local) = 0;
static void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask)
{
- int cpu = 0;
+ unsigned cpu;
memset(ret, 0, nr * sizeof(unsigned long));
cpus_and(*cpumask, *cpumask, cpu_online_map);
- cpu = first_cpu(*cpumask);
- while (cpu < NR_CPUS) {
- unsigned long *in, *out, off;
-
- if (!cpu_isset(cpu, *cpumask))
- continue;
+ for_each_cpu_mask(cpu, *cpumask) {
+ unsigned long *in;
+ unsigned long *out;
+ unsigned off;
+ unsigned next_cpu;
in = (unsigned long *)&per_cpu(page_states, cpu);
- cpu = next_cpu(cpu, *cpumask);
-
- if (likely(cpu < NR_CPUS))
- prefetch(&per_cpu(page_states, cpu));
+ next_cpu = next_cpu(cpu, *cpumask);
+ if (likely(next_cpu < NR_CPUS))
+ prefetch(&per_cpu(page_states, next_cpu));
out = (unsigned long *)ret;
for (off = 0; off < nr; off++)