[PATCH 4/5] vmscan: get rid of unnecessary nr_dirty ret variable
From: Minchan Kim <minchan@kernel.org>
Date: 2012-08-22 07:16:11
Also in:
lkml
Subsystem:
memory management, memory management - mglru (multi-gen lru), memory management - reclaim, the rest · Maintainers:
Andrew Morton, Johannes Weiner, Linus Torvalds
Now anyone don't use nr_dirty so remove it. Cc: Rik van Riel <redacted> Cc: Mel Gorman <mgorman@suse.de> Signed-off-by: Minchan Kim <minchan@kernel.org> --- mm/vmscan.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 0e2550c..1a66680 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c@@ -674,7 +674,6 @@ static enum page_references page_check_references(struct page *page, static unsigned long shrink_page_list(struct list_head *page_list, struct zone *zone, struct scan_control *sc, - unsigned long *ret_nr_dirty, unsigned long *ret_nr_writeback) { LIST_HEAD(ret_pages);
@@ -955,7 +954,6 @@ keep: list_splice(&ret_pages, page_list); count_vm_events(PGACTIVATE, pgactivate); mem_cgroup_uncharge_end(); - *ret_nr_dirty += nr_dirty; *ret_nr_writeback += nr_writeback; return nr_reclaimed; }
@@ -1236,7 +1234,6 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, unsigned long nr_scanned; unsigned long nr_reclaimed = 0; unsigned long nr_taken; - unsigned long nr_dirty = 0; unsigned long nr_writeback = 0; isolate_mode_t isolate_mode = 0; int file = is_file_lru(lru);
@@ -1278,8 +1275,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, if (nr_taken == 0) return 0; - nr_reclaimed = shrink_page_list(&page_list, zone, sc, - &nr_dirty, &nr_writeback); + nr_reclaimed = shrink_page_list(&page_list, zone, sc, &nr_writeback); spin_lock_irq(&zone->lru_lock);
--
1.7.9.5
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