MIPS: BMIPS: Enable ARCH_WANT_OPTIONAL_GPIOLIB
[linux-drm-fsl-dcu.git] / mm / vmstat.c
index 2ec34342a87bdf26c01794ff66c58add751a3406..4ebc17d948cb8414e3e2b0ea5b8f9342f71c77c2 100644 (file)
@@ -219,7 +219,7 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
  * particular counter cannot be updated from interrupt context.
  */
 void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                               int delta)
+                          long delta)
 {
        struct per_cpu_pageset __percpu *pcp = zone->pageset;
        s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -318,8 +318,8 @@ EXPORT_SYMBOL(__dec_zone_page_state);
  *     1       Overstepping half of threshold
  *     -1      Overstepping minus half of threshold
 */
-static inline void mod_state(struct zone *zone,
-       enum zone_stat_item item, int delta, int overstep_mode)
+static inline void mod_state(struct zone *zone, enum zone_stat_item item,
+                            long delta, int overstep_mode)
 {
        struct per_cpu_pageset __percpu *pcp = zone->pageset;
        s8 __percpu *p = pcp->vm_stat_diff + item;
@@ -357,7 +357,7 @@ static inline void mod_state(struct zone *zone,
 }
 
 void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                                       int delta)
+                        long delta)
 {
        mod_state(zone, item, delta, 0);
 }
@@ -384,7 +384,7 @@ EXPORT_SYMBOL(dec_zone_page_state);
  * Use interrupt disable to serialize counter updates
  */
 void mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
-                                       int delta)
+                        long delta)
 {
        unsigned long flags;
 
@@ -1379,6 +1379,7 @@ static const struct file_operations proc_vmstat_file_operations = {
 #endif /* CONFIG_PROC_FS */
 
 #ifdef CONFIG_SMP
+static struct workqueue_struct *vmstat_wq;
 static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
 int sysctl_stat_interval __read_mostly = HZ;
 static cpumask_var_t cpu_stat_off;
@@ -1391,7 +1392,7 @@ static void vmstat_update(struct work_struct *w)
                 * to occur in the future. Keep on running the
                 * update worker thread.
                 */
-               schedule_delayed_work_on(smp_processor_id(),
+               queue_delayed_work_on(smp_processor_id(), vmstat_wq,
                        this_cpu_ptr(&vmstat_work),
                        round_jiffies_relative(sysctl_stat_interval));
        } else {
@@ -1460,7 +1461,7 @@ static void vmstat_shepherd(struct work_struct *w)
                if (need_update(cpu) &&
                        cpumask_test_and_clear_cpu(cpu, cpu_stat_off))
 
-                       schedule_delayed_work_on(cpu,
+                       queue_delayed_work_on(cpu, vmstat_wq,
                                &per_cpu(vmstat_work, cpu), 0);
 
        put_online_cpus();
@@ -1549,6 +1550,7 @@ static int __init setup_vmstat(void)
 
        start_shepherd_timer();
        cpu_notifier_register_done();
+       vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
 #endif
 #ifdef CONFIG_PROC_FS
        proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);