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-rw-r--r--include/linux/vmstat.h2
-rw-r--r--mm/page_alloc.c31
-rw-r--r--mm/vmstat.c29
3 files changed, 31 insertions, 31 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 02fce41..d2da8e0 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -163,12 +163,10 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone,
#ifdef CONFIG_NUMA
extern unsigned long node_page_state(int node, enum zone_stat_item item);
-extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp);
#else
#define node_page_state(node, item) global_page_state(item)
-#define zone_statistics(_zl, _z, gfp) do { } while (0)
#endif /* CONFIG_NUMA */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7be1ce8..36384ba 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2355,6 +2355,37 @@ int split_free_page(struct page *page)
}
/*
+ * Update NUMA hit/miss statistics
+ *
+ * Must be called with interrupts disabled.
+ *
+ * When __GFP_OTHER_NODE is set assume the node of the preferred
+ * zone is the local node. This is useful for daemons who allocate
+ * memory on behalf of other processes.
+ */
+static inline void zone_statistics(struct zone *preferred_zone, struct zone *z,
+ gfp_t flags)
+{
+#ifdef CONFIG_NUMA
+ int local_nid = numa_node_id();
+ enum zone_stat_item local_stat = NUMA_LOCAL;
+
+ if (unlikely(flags & __GFP_OTHER_NODE)) {
+ local_stat = NUMA_OTHER;
+ local_nid = preferred_zone->node;
+ }
+
+ if (z->node == local_nid) {
+ __inc_zone_state(z, NUMA_HIT);
+ __inc_zone_state(z, local_stat);
+ } else {
+ __inc_zone_state(z, NUMA_MISS);
+ __inc_zone_state(preferred_zone, NUMA_FOREIGN);
+ }
+#endif
+}
+
+/*
* Allocate a page from the given zone. Use pcplists for order-0 allocations.
*/
static inline
diff --git a/mm/vmstat.c b/mm/vmstat.c
index d585de2..f1a73bf 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -570,35 +570,6 @@ void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset)
#ifdef CONFIG_NUMA
/*
- * zonelist = the list of zones passed to the allocator
- * z = the zone from which the allocation occurred.
- *
- * Must be called with interrupts disabled.
- *
- * When __GFP_OTHER_NODE is set assume the node of the preferred
- * zone is the local node. This is useful for daemons who allocate
- * memory on behalf of other processes.
- */
-void zone_statistics(struct zone *preferred_zone, struct zone *z, gfp_t flags)
-{
- int local_nid = numa_node_id();
- enum zone_stat_item local_stat = NUMA_LOCAL;
-
- if (unlikely(flags & __GFP_OTHER_NODE)) {
- local_stat = NUMA_OTHER;
- local_nid = preferred_zone->node;
- }
-
- if (z->node == local_nid) {
- __inc_zone_state(z, NUMA_HIT);
- __inc_zone_state(z, local_stat);
- } else {
- __inc_zone_state(z, NUMA_MISS);
- __inc_zone_state(preferred_zone, NUMA_FOREIGN);
- }
-}
-
-/*
* Determine the per node value of a stat item.
*/
unsigned long node_page_state(int node, enum zone_stat_item item)
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