The patch titled
mm, mem-hotplug: update pcp->stat_threshold when memory hotplug occur
has been removed from the -mm tree. Its filename was
mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm, mem-hotplug: update pcp->stat_threshold when memory hotplug occur
From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Currently, cpu hotplug updates pcp->stat_threshold, but memory hotplug
doesn't. There is no reason for this.
[akpm@xxxxxxxxxxxxxxxxxxxx: fix CONFIG_SMP=n build]
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Acked-by: Mel Gorman <mel@xxxxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/vmstat.h | 3 +++
mm/page_alloc.c | 2 ++
mm/vmstat.c | 3 +--
3 files changed, 6 insertions(+), 2 deletions(-)
diff -puN include/linux/vmstat.h~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur include/linux/vmstat.h
--- a/include/linux/vmstat.h~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur
+++ a/include/linux/vmstat.h
@@ -261,6 +261,7 @@ extern void dec_zone_state(struct zone *
extern void __dec_zone_state(struct zone *, enum zone_stat_item);
void refresh_cpu_vm_stats(int);
+void refresh_zone_stat_thresholds(void);
int calculate_pressure_threshold(struct zone *zone);
int calculate_normal_threshold(struct zone *zone);
@@ -313,6 +314,8 @@ static inline void __dec_zone_page_state
#define set_pgdat_percpu_threshold(pgdat, callback) { }
static inline void refresh_cpu_vm_stats(int cpu) { }
+static inline void refresh_zone_stat_thresholds(void) { }
+
#endif /* CONFIG_SMP */
extern const char * const vmstat_text[];
diff -puN mm/page_alloc.c~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur mm/page_alloc.c
--- a/mm/page_alloc.c~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur
+++ a/mm/page_alloc.c
@@ -39,6 +39,7 @@
#include <linux/memory_hotplug.h>
#include <linux/nodemask.h>
#include <linux/vmalloc.h>
+#include <linux/vmstat.h>
#include <linux/mempolicy.h>
#include <linux/stop_machine.h>
#include <linux/sort.h>
@@ -5152,6 +5153,7 @@ int __meminit init_per_zone_wmark_min(vo
if (min_free_kbytes > 65536)
min_free_kbytes = 65536;
setup_per_zone_wmarks();
+ refresh_zone_stat_thresholds();
setup_per_zone_lowmem_reserve();
setup_per_zone_inactive_ratio();
return 0;
diff -puN mm/vmstat.c~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur mm/vmstat.c
--- a/mm/vmstat.c~mm-mem-hotplug-update-pcp-stat_threshold-when-memory-hotplug-occur
+++ a/mm/vmstat.c
@@ -157,7 +157,7 @@ int calculate_normal_threshold(struct zo
/*
* Refresh the thresholds for each zone.
*/
-static void refresh_zone_stat_thresholds(void)
+void refresh_zone_stat_thresholds(void)
{
struct zone *zone;
int cpu;
@@ -1201,7 +1201,6 @@ static int __init setup_vmstat(void)
#ifdef CONFIG_SMP
int cpu;
- refresh_zone_stat_thresholds();
register_cpu_notifier(&vmstat_notifier);
for_each_online_cpu(cpu)
_
Patches currently in -mm which might be from kosaki.motohiro@xxxxxxxxxxxxxx are
origin.patch
linux-next.patch
mm-increase-reclaim_distance-to-30.patch
slab-use-numa_no_node.patch
m32r-convert-cpumask-api.patch
m32r-fix-spin_lock_irqsave-misuse.patch
m32r-remove-redundant-declaration.patch
getdelays-show-average-cpu-io-swap-reclaim-delays.patch
mm-move-enum-vm_event_item-into-a-standalone-header-file.patch
memcg-count-the-soft_limit-reclaim-in-global-background-reclaim.patch
memcg-add-the-soft_limit-reclaim-in-global-direct-reclaim.patch
memcg-reclaim-memory-from-nodes-in-round-robin-order.patch
memcg-reclaim-memory-from-nodes-in-round-robin-fix.patch
memcg-reclaim-memory-from-nodes-in-round-robin-fix-2.patch
memcg-reclaim-memory-from-nodes-in-round-robin-order-fix.patch
memcg-fix-get_scan_count-for-small-targets.patch
memcg-remove-unused-retry-signal-from-reclaim.patch
vmscanmemcg-memcg-aware-swap-token.patch
vmscan-implement-swap-token-trace.patch
vmscan-implement-swap-token-priority-aging.patch
add-the-pagefault-count-into-memcg-stats.patch
cpusets-randomize-node-rotor-used-in-cpuset_mem_spread_node.patch
cpusets-randomize-node-rotor-used-in-cpuset_mem_spread_node-cpusets-initialize-spread-rotor-lazily.patch
proc-put-check_mem_permission-after-__get_free_page-in-mem_write.patch
proc-fix-pagemap_read-error-case.patch
cpumask-convert-for_each_cpumask-with-for_each_cpu.patch
cpumask-convert-cpumask_of_cpu-to-cpumask_of.patch
cpumask-alloc_cpumask_var-use-numa_no_node.patch
cpumask-add-cpumask_var_t-documentation.patch
kexec-remove-kmsg_dump_kexec.patch
kexec-remove-kmsg_dump_kexec-fix.patch
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