[PATCH 31/34] mm: vmstat: replace __count_zone_vm_events with a zone id equivalent
From: Mel Gorman <hidden>
Date: 2016-07-08 09:40:57
Also in:
lkml
Subsystem:
memory management, memory management - core, memory management - page allocator, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Vlastimil Babka, Linus Torvalds
This is partially a preparation patch for more vmstat work but it also has the slight advantage that __count_zid_vm_events is cheaper to calculate than __count_zone_vm_events(). Signed-off-by: Mel Gorman <redacted> Acked-by: Vlastimil Babka <redacted> --- include/linux/vmstat.h | 5 ++--- mm/page_alloc.c | 2 +- 2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 6b7975cd98aa..613771909b6e 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h@@ -101,9 +101,8 @@ static inline void vm_events_fold_cpu(int cpu) #define count_vm_vmacache_event(x) do {} while (0) #endif -#define __count_zone_vm_events(item, zone, delta) \ - __count_vm_events(item##_NORMAL - ZONE_NORMAL + \ - zone_idx(zone), delta) +#define __count_zid_vm_events(item, zid, delta) \ + __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) /* * Zone and node-based page accounting with per cpu differentials.
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 958424fc64be..030114f55b0e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c@@ -2659,7 +2659,7 @@ struct page *buffered_rmqueue(struct zone *preferred_zone, get_pcppage_migratetype(page)); } - __count_zone_vm_events(PGALLOC, zone, 1 << order); + __count_zid_vm_events(PGALLOC, page_zonenum(page), 1 << order); zone_statistics(preferred_zone, zone, gfp_flags); local_irq_restore(flags);
--
2.6.4
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