1 files changed, 4 insertions, 17 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d61671260f92..30b0b97ad023 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -456,7 +456,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 
         kernel_map_pages(page, 1 << order, 0);
         local_irq_save(flags);
-        __mod_page_state(pgfree, 1 << order);
+        __count_vm_events(PGFREE, 1 << order);
         free_one_page(page_zone(page), page, order);
         local_irq_restore(flags);
 }
@@ -729,7 +729,7 @@ static void fastcall free_hot_cold_page(struct page *page, int cold)
 
         pcp = &zone_pcp(zone, get_cpu())->pcp[cold];
         local_irq_save(flags);
-        __inc_page_state(pgfree);
+        __count_vm_event(PGFREE);
         list_add(&page->lru, &pcp->list);
         pcp->count++;
         if (pcp->count >= pcp->high) {
@@ -805,7 +805,7 @@ again:
                         goto failed;
         }
 
-        __mod_page_state_zone(zone, pgalloc, 1 << order);
+        __count_zone_vm_events(PGALLOC, zone, 1 << order);
         zone_statistics(zonelist, zone);
         local_irq_restore(flags);
         put_cpu();
@@ -2101,24 +2101,11 @@ static int page_alloc_cpu_notify(struct notifier_block *self,
                                  unsigned long action, void *hcpu)
 {
         int cpu = (unsigned long)hcpu;
-        unsigned long *src, *dest;
 
         if (action == CPU_DEAD) {
-                int i;
-
                 local_irq_disable();
                 __drain_pages(cpu);
-
-                /* Add dead cpu's page_states to our own. */
-                dest = (unsigned long *)&__get_cpu_var(page_states);
-                src = (unsigned long *)&per_cpu(page_states, cpu);
-
-                for (i = 0; i < sizeof(struct page_state)/sizeof(unsigned long);
-                                i++) {
-                        dest[i] += src[i];
-                        src[i] = 0;
-                }
-
+                vm_events_fold_cpu(cpu);
                 local_irq_enable();
                 refresh_cpu_vm_stats(cpu);
         }