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| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2010-10-26 14:21:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-26 16:52:07 -0700 |
| commit | 47185052165a4c5de0a461018238375dd982c2ec (patch) | |
| tree | 4425005eb24efdd66d0d9d4f95a11fdad04843b1 /mm | |
| parent | 7d3579e8e61937cbba268ea9b218d006b6d64221 (diff) | |
| download | op-kernel-dev-47185052165a4c5de0a461018238375dd982c2ec.zip op-kernel-dev-47185052165a4c5de0a461018238375dd982c2ec.tar.gz | |
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')
| -rw-r--r-- | mm/vmscan.c | 8 |
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); } |
