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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2010-10-26 21:21:43 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 23:52:07 (GMT)
commit47185052165a4c5de0a461018238375dd982c2ec (patch)
tree4425005eb24efdd66d0d9d4f95a11fdad04843b1 /mm/vmscan.c
parent7d3579e8e61937cbba268ea9b218d006b6d64221 (diff)
vmscan: remove dead code in shrink_inactive_list()
After synchrounous lumpy reclaim, the page_list is guaranteed to not have active pages as page activation in shrink_page_list() disables lumpy reclaim. Remove the dead code. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Rik van Riel <riel@redhat.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d9fc2dc..cec8081 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1331,7 +1331,6 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
unsigned long nr_scanned;
unsigned long nr_reclaimed = 0;
unsigned long nr_taken;
- unsigned long nr_active;
unsigned long nr_anon;
unsigned long nr_file;
@@ -1386,13 +1385,6 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
/* Check if we should syncronously wait for writeback */
if (should_reclaim_stall(nr_taken, nr_reclaimed, priority, sc)) {
- /*
- * The attempt at page out may have made some
- * of the pages active, mark them inactive again.
- */
- nr_active = clear_active_flags(&page_list, NULL);
- count_vm_events(PGDEACTIVATE, nr_active);
-
set_lumpy_reclaim_mode(priority, sc, true);
nr_reclaimed += shrink_page_list(&page_list, sc);
}

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