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author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-28 15:46:56 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
commit | 16709d1de1954475356a65848f80a01581b4903c (patch) | |
tree | 1b21abda454d9e94ce04bc029ce23b945bfb0a1e | |
parent | 3b8c0be43cb844b3cd26fac00e7663a1201176fd (diff) | |
download | blackbird-op-linux-16709d1de1954475356a65848f80a01581b4903c.tar.gz blackbird-op-linux-16709d1de1954475356a65848f80a01581b4903c.zip |
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/1467970510-21195-32-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | include/linux/vmstat.h | 5 | ||||
-rw-r--r-- | 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 7427e0e83642..03e67f2dfdaa 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2616,7 +2616,7 @@ 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); |