Use pgoff_t instead of unsigned long

[safe/jmp/linux-2.6] / mm / vmstat.c

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 9ffc573..422d960 100644 (file)
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -21,21 +21,14 @@ EXPORT_PER_CPU_SYMBOL(vm_event_states);
 
 static void sum_vm_events(unsigned long *ret, cpumask_t *cpumask)
 {
-       int cpu = 0;
+       int cpu;
        int i;
 
        memset(ret, 0, NR_VM_EVENT_ITEMS * sizeof(unsigned long));
 
-       cpu = first_cpu(*cpumask);
-       while (cpu < NR_CPUS) {
+       for_each_cpu_mask(cpu, *cpumask) {
                struct vm_event_state *this = &per_cpu(vm_event_states, cpu);
 
-               cpu = next_cpu(cpu, *cpumask);
-
-               if (cpu < NR_CPUS)
-                       prefetch(&per_cpu(vm_event_states, cpu));
-
-
                for (i = 0; i < NR_VM_EVENT_ITEMS; i++)
                        ret[i] += this->event[i];
        }
@@ -337,7 +330,7 @@ void refresh_cpu_vm_stats(int cpu)
                 * Check if there are pages remaining in this pageset
                 * if not then there is nothing to expire.
                 */
-               if (!p->expire || (!p->pcp[0].count && !p->pcp[1].count))
+               if (!p->expire || !p->pcp.count)
                        continue;
 
                /*
@@ -352,11 +345,8 @@ void refresh_cpu_vm_stats(int cpu)
                if (p->expire)
                        continue;
 
-               if (p->pcp[0].count)
-                       drain_zone_pages(zone, p->pcp + 0);
-
-               if (p->pcp[1].count)
-                       drain_zone_pages(zone, p->pcp + 1);
+               if (p->pcp.count)
+                       drain_zone_pages(zone, &p->pcp);
 #endif
        }
 
@@ -693,20 +683,17 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
                   "\n  pagesets");
        for_each_online_cpu(i) {
                struct per_cpu_pageset *pageset;
-               int j;
 
                pageset = zone_pcp(zone, i);
-               for (j = 0; j < ARRAY_SIZE(pageset->pcp); j++) {
-                       seq_printf(m,
-                                  "\n    cpu: %i pcp: %i"
-                                  "\n              count: %i"
-                                  "\n              high:  %i"
-                                  "\n              batch: %i",
-                                  i, j,
-                                  pageset->pcp[j].count,
-                                  pageset->pcp[j].high,
-                                  pageset->pcp[j].batch);
-                       }
+               seq_printf(m,
+                          "\n    cpu: %i"
+                          "\n              count: %i"
+                          "\n              high:  %i"
+                          "\n              batch: %i",
+                          i,
+                          pageset->pcp.count,
+                          pageset->pcp.high,
+                          pageset->pcp.batch);
 #ifdef CONFIG_SMP
                seq_printf(m, "\n  vm stats threshold: %d",
                                pageset->stat_threshold);