aboutsummaryrefslogtreecommitdiff
path: root/mm/vmstat.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 72496140ac0..b37bd49bfd5 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -207,7 +207,9 @@ void set_pgdat_percpu_threshold(pg_data_t *pgdat,
}
/*
- * For use when we know that interrupts are disabled.
+ * For use when we know that interrupts are disabled,
+ * or when we know that preemption is disabled and that
+ * particular counter cannot be updated from interrupt context.
*/
void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
int delta)
@@ -489,7 +491,7 @@ static void refresh_cpu_vm_stats(void)
continue;
if (__this_cpu_read(p->pcp.count))
- drain_zone_pages(zone, __this_cpu_ptr(&p->pcp));
+ drain_zone_pages(zone, this_cpu_ptr(&p->pcp));
#endif
}
fold_diff(global_diff);
@@ -770,6 +772,9 @@ const char * const vmstat_text[] = {
"numa_local",
"numa_other",
#endif
+ "workingset_refault",
+ "workingset_activate",
+ "workingset_nodereclaim",
"nr_anon_transparent_hugepages",
"nr_free_cma",
"nr_dirty_threshold",
@@ -810,6 +815,9 @@ const char * const vmstat_text[] = {
"pgrotated",
+ "drop_pagecache",
+ "drop_slab",
+
#ifdef CONFIG_NUMA_BALANCING
"numa_pte_updates",
"numa_huge_pte_updates",
@@ -851,13 +859,19 @@ const char * const vmstat_text[] = {
"thp_zero_page_alloc",
"thp_zero_page_alloc_failed",
#endif
+#ifdef CONFIG_DEBUG_TLBFLUSH
#ifdef CONFIG_SMP
"nr_tlb_remote_flush",
"nr_tlb_remote_flush_received",
-#endif
+#endif /* CONFIG_SMP */
"nr_tlb_local_flush_all",
"nr_tlb_local_flush_one",
+#endif /* CONFIG_DEBUG_TLBFLUSH */
+#ifdef CONFIG_DEBUG_VM_VMACACHE
+ "vmacache_find_calls",
+ "vmacache_find_hits",
+#endif
#endif /* CONFIG_VM_EVENTS_COUNTERS */
};
#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA */
@@ -1218,7 +1232,7 @@ int sysctl_stat_interval __read_mostly = HZ;
static void vmstat_update(struct work_struct *w)
{
refresh_cpu_vm_stats();
- schedule_delayed_work(&__get_cpu_var(vmstat_work),
+ schedule_delayed_work(this_cpu_ptr(&vmstat_work),
round_jiffies_relative(sysctl_stat_interval));
}
@@ -1290,14 +1304,14 @@ static int __init setup_vmstat(void)
#ifdef CONFIG_SMP
int cpu;
- register_cpu_notifier(&vmstat_notifier);
+ cpu_notifier_register_begin();
+ __register_cpu_notifier(&vmstat_notifier);
- get_online_cpus();
for_each_online_cpu(cpu) {
start_cpu_timer(cpu);
node_set_state(cpu_to_node(cpu), N_CPU);
}
- put_online_cpus();
+ cpu_notifier_register_done();
#endif
#ifdef CONFIG_PROC_FS
proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);