The patch titled
Subject: mm: vmstat: replace __count_zone_vm_events with a zone id equivalent
has been added to the -mm tree. Its filename is
mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent.patch
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------------------------------------------------------
From: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Subject: mm: vmstat: replace __count_zone_vm_events with a zone id equivalent
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().
Link: http://lkml.kernel.org/r/1466518566-30034-27-git-send-email-mgorman@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/vmstat.h | 5 ++---
mm/page_alloc.c | 2 +-
2 files changed, 3 insertions(+), 4 deletions(-)
diff -puN include/linux/vmstat.h~mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent include/linux/vmstat.h
--- a/include/linux/vmstat.h~mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent
+++ a/include/linux/vmstat.h
@@ -101,9 +101,8 @@ static inline void vm_events_fold_cpu(in
#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 -puN mm/page_alloc.c~mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent mm/page_alloc.c
--- a/mm/page_alloc.c~mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent
+++ a/mm/page_alloc.c
@@ -2623,7 +2623,7 @@ struct page *buffered_rmqueue(struct zon
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);
_
Patches currently in -mm which might be from mgorman@xxxxxxxxxxxxxxxxxxx are
mm-slaub-add-__gfp_atomic-to-the-gfp-reclaim-mask.patch
mm-vmstat-add-infrastructure-for-per-node-vmstats.patch
mm-vmscan-move-lru_lock-to-the-node.patch
mm-vmscan-move-lru-lists-to-node.patch
mm-vmscan-begin-reclaiming-pages-on-a-per-node-basis.patch
mm-vmscan-have-kswapd-only-scan-based-on-the-highest-requested-zone.patch
mm-vmscan-make-kswapd-reclaim-in-terms-of-nodes.patch
mm-vmscan-remove-balance-gap.patch
mm-vmscan-simplify-the-logic-deciding-whether-kswapd-sleeps.patch
mm-vmscan-by-default-have-direct-reclaim-only-shrink-once-per-node.patch
mm-vmscan-remove-duplicate-logic-clearing-node-congestion-and-dirty-state.patch
mm-vmscan-do-not-reclaim-from-kswapd-if-there-is-any-eligible-zone.patch
mm-vmscan-make-shrink_node-decisions-more-node-centric.patch
mm-memcg-move-memcg-limit-enforcement-from-zones-to-nodes.patch
mm-workingset-make-working-set-detection-node-aware.patch
mm-page_alloc-consider-dirtyable-memory-in-terms-of-nodes.patch
mm-move-page-mapped-accounting-to-the-node.patch
mm-rename-nr_anon_pages-to-nr_anon_mapped.patch
mm-move-most-file-based-accounting-to-the-node.patch
mm-move-vmscan-writes-and-file-write-accounting-to-the-node.patch
mm-vmscan-update-classzone_idx-if-buffer_heads_over_limit.patch
mm-vmscan-only-wakeup-kswapd-once-per-node-for-the-requested-classzone.patch
mm-convert-zone_reclaim-to-node_reclaim.patch
mm-vmscan-add-classzone-information-to-tracepoints.patch
mm-page_alloc-remove-fair-zone-allocation-policy.patch
mm-page_alloc-cache-the-last-node-whose-dirty-limit-is-reached.patch
mm-vmstat-replace-__count_zone_vm_events-with-a-zone-id-equivalent.patch
mm-vmstat-account-per-zone-stalls-and-pages-skipped-during-reclaim.patch
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