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Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index df54e2fc8ee..dde04ff4be3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1213,18 +1213,21 @@ static void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask)
{
int cpu = 0;
- memset(ret, 0, sizeof(*ret));
+ 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;
+
in = (unsigned long *)&per_cpu(page_states, cpu);
cpu = next_cpu(cpu, *cpumask);
- if (cpu < NR_CPUS)
+ if (likely(cpu < NR_CPUS))
prefetch(&per_cpu(page_states, cpu));
out = (unsigned long *)ret;
@@ -1799,7 +1802,7 @@ void zonetable_add(struct zone *zone, int nid, int zid, unsigned long pfn,
memmap_init_zone((size), (nid), (zone), (start_pfn))
#endif
-static int __meminit zone_batchsize(struct zone *zone)
+static int __cpuinit zone_batchsize(struct zone *zone)
{
int batch;
@@ -1886,14 +1889,13 @@ static void setup_pagelist_highmark(struct per_cpu_pageset *p,
* not check if the processor is online before following the pageset pointer.
* Other parts of the kernel may not check if the zone is available.
*/
-static struct per_cpu_pageset
- boot_pageset[NR_CPUS];
+static struct per_cpu_pageset boot_pageset[NR_CPUS];
/*
* Dynamically allocate memory for the
* per cpu pageset array in struct zone.
*/
-static int __meminit process_zones(int cpu)
+static int __cpuinit process_zones(int cpu)
{
struct zone *zone, *dzone;
@@ -1934,7 +1936,7 @@ static inline void free_zone_pagesets(int cpu)
}
}
-static int __meminit pageset_cpuup_callback(struct notifier_block *nfb,
+static int __cpuinit pageset_cpuup_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{