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authorSean Paul <seanpaul@chromium.org>2017-05-04 08:38:21 -0400
committerSean Paul <seanpaul@chromium.org>2017-05-04 08:42:49 -0400
commit3c390df3337e54130e4b511ea3bbb868643cc5ea (patch)
tree3963984db2528843edcf2a2bb9f281fd150ab784 /mm/vmstat.c
parentcd4b11d9d524ef457433d42c121e3405765d4a29 (diff)
parent8b03d1ed2c43a2ba5ef3381322ee4515b97381bf (diff)
Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux into drm-misc-nextdrm-misc-next-2017-05-05
Backmerging Dave's 'drm-for-v4.12' pull request now that it's landed. There are a bunch of non-drm changes which are just random bits we hadn't yet picked up in misc-next. main drm pull request for 4.12 kernel Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/CAPM=9ty0jHgzG18zOr5CYODyTqZfH55kOCOFqNnXiWnTb_uNWw@mail.gmail.com
Diffstat (limited to 'mm/vmstat.c')
-rw-r--r--mm/vmstat.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 89f95396ec46..809025ed97ea 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1552,7 +1552,6 @@ 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;
@@ -1623,7 +1622,7 @@ static void vmstat_update(struct work_struct *w)
* to occur in the future. Keep on running the
* update worker thread.
*/
- queue_delayed_work_on(smp_processor_id(), vmstat_wq,
+ queue_delayed_work_on(smp_processor_id(), mm_percpu_wq,
this_cpu_ptr(&vmstat_work),
round_jiffies_relative(sysctl_stat_interval));
}
@@ -1702,7 +1701,7 @@ static void vmstat_shepherd(struct work_struct *w)
struct delayed_work *dw = &per_cpu(vmstat_work, cpu);
if (!delayed_work_pending(dw) && need_update(cpu))
- queue_delayed_work_on(cpu, vmstat_wq, dw, 0);
+ queue_delayed_work_on(cpu, mm_percpu_wq, dw, 0);
}
put_online_cpus();
@@ -1718,7 +1717,6 @@ static void __init start_shepherd_timer(void)
INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu),
vmstat_update);
- vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
schedule_delayed_work(&shepherd,
round_jiffies_relative(sysctl_stat_interval));
}
@@ -1764,11 +1762,16 @@ static int vmstat_cpu_dead(unsigned int cpu)
#endif
+struct workqueue_struct *mm_percpu_wq;
+
void __init init_mm_internals(void)
{
-#ifdef CONFIG_SMP
- int ret;
+ int ret __maybe_unused;
+ mm_percpu_wq = alloc_workqueue("mm_percpu_wq",
+ WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
+
+#ifdef CONFIG_SMP
ret = cpuhp_setup_state_nocalls(CPUHP_MM_VMSTAT_DEAD, "mm/vmstat:dead",
NULL, vmstat_cpu_dead);
if (ret < 0)