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authorMel Gorman <mel@csn.ul.ie>2011-01-13 15:45:55 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:33 -0800
commitee64fc9354e515a79c7232cfde65c88ec627308b (patch)
treefb5fb6c0045ff5467ed5870d5f64806784deba2d /include/trace/events
parentb7aba6984dc048503b69c2a885098cdd430832bf (diff)
mm: vmscan: convert lumpy_mode into a bitmask
Currently lumpy_mode is an enum and determines if lumpy reclaim is off, syncronous or asyncronous. In preparation for using compaction instead of lumpy reclaim, this patch converts the flags into a bitmap. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/trace/events')
-rw-r--r--include/trace/events/vmscan.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index c255fcc587bf..be76429962ca 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -25,13 +25,13 @@
#define trace_reclaim_flags(page, sync) ( \
(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
- (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
+ (sync & LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
)
#define trace_shrink_flags(file, sync) ( \
- (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_MIXED : \
+ (sync & LUMPY_MODE_SYNC ? RECLAIM_WB_MIXED : \
(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) | \
- (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
+ (sync & LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
)
TRACE_EVENT(mm_vmscan_kswapd_sleep,