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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-05-29 15:06:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:26 -0700 |
| commit | 6a18adb35c27848195c938b0779ce882d63d3ed1 (patch) | |
| tree | e2b187e05b150db55764c8347472452edb50c6d3 /mm/vmscan.c | |
| parent | 5dc35979e444b50d5551bdeb7a7abc5c69c875d0 (diff) | |
| download | lwn-6a18adb35c27848195c938b0779ce882d63d3ed1.tar.gz lwn-6a18adb35c27848195c938b0779ce882d63d3ed1.zip | |
mm/vmscan: push zone pointer into shrink_page_list()
It doesn't need a pointer to the cgroup - pointer to the zone is enough.
This patch also kills the "mz" argument of page_check_references() - it is
unused after "mm: memcg: count pte references from every member of the
reclaimed hierarch"
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.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.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index b7d03d7b8f8e..eaa154bd1f84 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -629,7 +629,6 @@ enum page_references { }; static enum page_references page_check_references(struct page *page, - struct mem_cgroup_zone *mz, struct scan_control *sc) { int referenced_ptes, referenced_page; @@ -688,7 +687,7 @@ static enum page_references page_check_references(struct page *page, * shrink_page_list() returns the number of reclaimed pages */ static unsigned long shrink_page_list(struct list_head *page_list, - struct mem_cgroup_zone *mz, + struct zone *zone, struct scan_control *sc, unsigned long *ret_nr_dirty, unsigned long *ret_nr_writeback) @@ -718,7 +717,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, goto keep; VM_BUG_ON(PageActive(page)); - VM_BUG_ON(page_zone(page) != mz->zone); + VM_BUG_ON(page_zone(page) != zone); sc->nr_scanned++; @@ -741,7 +740,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, goto keep; } - references = page_check_references(page, mz, sc); + references = page_check_references(page, sc); switch (references) { case PAGEREF_ACTIVATE: goto activate_locked; @@ -931,7 +930,7 @@ keep: * will encounter the same problem */ if (nr_dirty && nr_dirty == nr_congested && global_reclaim(sc)) - zone_set_flag(mz->zone, ZONE_CONGESTED); + zone_set_flag(zone, ZONE_CONGESTED); free_hot_cold_page_list(&free_pages, 1); @@ -1309,7 +1308,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz, update_isolated_counts(mz, &page_list, &nr_anon, &nr_file); - nr_reclaimed = shrink_page_list(&page_list, mz, sc, + nr_reclaimed = shrink_page_list(&page_list, zone, sc, &nr_dirty, &nr_writeback); spin_lock_irq(&zone->lru_lock); |