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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-09-21 17:01:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:30 -0700
commit74a1c48fb4e9f10e3c83dcd39af73487968e35bf (patch)
tree8a9facf333d114c9e5b4be37278951b35b21ff2b
parent5205e56eeab04ce02f8bb6b47d1569b216bc0b6a (diff)
vmscan: kill unnecessary page flag test
The page_lru() already evaluate PageActive() and PageSwapBacked(). We don't need to re-evaluate it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Rik van Riel <riel@redhat.com> Cc: Minchan Kim <minchan.kim@gmail.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/vmscan.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index ca81d0d05c0..20c5fa8eca4 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1208,8 +1208,8 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
SetPageLRU(page);
lru = page_lru(page);
add_page_to_lru_list(zone, page, lru);
- if (PageActive(page)) {
- int file = !!page_is_file_cache(page);
+ if (is_active_lru(lru)) {
+ int file = !!is_file_lru(lru);
reclaim_stat->recent_rotated[file]++;
}
if (!pagevec_add(&pvec, page)) {