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| author | Andrew Morton <akpm@linux-foundation.org> | 2013-09-24 15:27:37 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-24 17:00:26 -0700 |
| commit | 694fbc0fe78518d06efa63910bf4ecee660e7852 (patch) | |
| tree | 895244c4cc010759ce5c29333bee3cddc8c852d2 /mm/vmscan.c | |
| parent | 30361e51cae7a4df3fec89f935a450a6fe6f16fa (diff) | |
| download | lwn-694fbc0fe78518d06efa63910bf4ecee660e7852.tar.gz lwn-694fbc0fe78518d06efa63910bf4ecee660e7852.zip | |
revert "memcg: enhance memcg iterator to support predicates"
Revert commit de57780dc659 ("memcg: enhance memcg iterator to support
predicates")
I merged this prematurely - Michal and Johannes still disagree about the
overall design direction and the future remains unclear.
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
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, 11 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index cdd300b81485..17a7134de4d7 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2185,16 +2185,21 @@ __shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) .zone = zone, .priority = sc->priority, }; - struct mem_cgroup *memcg = NULL; - mem_cgroup_iter_filter filter = (soft_reclaim) ? - mem_cgroup_soft_reclaim_eligible : NULL; + struct mem_cgroup *memcg; nr_reclaimed = sc->nr_reclaimed; nr_scanned = sc->nr_scanned; - while ((memcg = mem_cgroup_iter_cond(root, memcg, &reclaim, filter))) { + memcg = mem_cgroup_iter(root, NULL, &reclaim); + do { struct lruvec *lruvec; + if (soft_reclaim && + !mem_cgroup_soft_reclaim_eligible(memcg, root)) { + memcg = mem_cgroup_iter(root, memcg, &reclaim); + continue; + } + lruvec = mem_cgroup_zone_lruvec(zone, memcg); shrink_lruvec(lruvec, sc); @@ -2214,7 +2219,8 @@ __shrink_zone(struct zone *zone, struct scan_control *sc, bool soft_reclaim) mem_cgroup_iter_break(root, memcg); break; } - } + memcg = mem_cgroup_iter(root, memcg, &reclaim); + } while (memcg); vmpressure(sc->gfp_mask, sc->target_mem_cgroup, sc->nr_scanned - nr_scanned, |