diff options
| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-05-29 15:06:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:26 -0700 |
| commit | 5dc35979e444b50d5551bdeb7a7abc5c69c875d0 (patch) | |
| tree | 568fa3c4107ce1dd41385c98b4bbfc3dbff1fa8d /mm/vmscan.c | |
| parent | 7f5e86c2ccc1480946d2c869d7f7d5278e828092 (diff) | |
| download | linux-rt-5dc35979e444b50d5551bdeb7a7abc5c69c875d0.tar.gz | |
mm/vmscan: push lruvec pointer into isolate_lru_pages()
Move the mem_cgroup_zone_lruvec() call from isolate_lru_pages() into
shrink_[in]active_list(). Further patches push it to shrink_zone() step
by step.
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 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 77905eb3d8ad..b7d03d7b8f8e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1027,7 +1027,7 @@ int __isolate_lru_page(struct page *page, isolate_mode_t mode) * Appropriate locks must be held before calling this function. * * @nr_to_scan: The number of pages to look through on the list. - * @mz: The mem_cgroup_zone to pull pages from. + * @lruvec: The LRU vector to pull pages from. * @dst: The temp list to put pages on to. * @nr_scanned: The number of pages that were scanned. * @sc: The scan_control struct for this reclaim session @@ -1037,17 +1037,15 @@ int __isolate_lru_page(struct page *page, isolate_mode_t mode) * returns how many pages were moved onto *@dst. */ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, - struct mem_cgroup_zone *mz, struct list_head *dst, + struct lruvec *lruvec, struct list_head *dst, unsigned long *nr_scanned, struct scan_control *sc, isolate_mode_t mode, enum lru_list lru) { - struct lruvec *lruvec; struct list_head *src; unsigned long nr_taken = 0; unsigned long scan; int file = is_file_lru(lru); - lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup); src = &lruvec->lists[lru]; for (scan = 0; scan < nr_to_scan && !list_empty(src); scan++) { @@ -1274,6 +1272,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz, int file = is_file_lru(lru); struct zone *zone = mz->zone; struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz); + struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup); while (unlikely(too_many_isolated(zone, file, sc))) { congestion_wait(BLK_RW_ASYNC, HZ/10); @@ -1292,8 +1291,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz, spin_lock_irq(&zone->lru_lock); - nr_taken = isolate_lru_pages(nr_to_scan, mz, &page_list, &nr_scanned, - sc, isolate_mode, lru); + nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &page_list, + &nr_scanned, sc, isolate_mode, lru); if (global_reclaim(sc)) { zone->pages_scanned += nr_scanned; if (current_is_kswapd()) @@ -1444,6 +1443,7 @@ static void shrink_active_list(unsigned long nr_to_scan, isolate_mode_t isolate_mode = 0; int file = is_file_lru(lru); struct zone *zone = mz->zone; + struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup); lru_add_drain(); @@ -1454,8 +1454,8 @@ static void shrink_active_list(unsigned long nr_to_scan, spin_lock_irq(&zone->lru_lock); - nr_taken = isolate_lru_pages(nr_to_scan, mz, &l_hold, &nr_scanned, sc, - isolate_mode, lru); + nr_taken = isolate_lru_pages(nr_to_scan, lruvec, &l_hold, + &nr_scanned, sc, isolate_mode, lru); if (global_reclaim(sc)) zone->pages_scanned += nr_scanned; |