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| author | Ingo Molnar <mingo@elte.hu> | 2011-09-18 14:01:26 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-09-18 14:01:39 +0200 |
| commit | bfa322c48dc69bfdaee10faf3bd8dbc23b39a21c (patch) | |
| tree | 95360c5d253115003080264d878f3c0f907f2978 /mm/vmscan.c | |
| parent | 88ebc08ea9f721d1345d5414288a308ea42ac458 (diff) | |
| parent | 003f6c9df54970d8b19578d195b3e2b398cdbde2 (diff) | |
| download | op-kernel-dev-bfa322c48dc69bfdaee10faf3bd8dbc23b39a21c.zip op-kernel-dev-bfa322c48dc69bfdaee10faf3bd8dbc23b39a21c.tar.gz | |
Merge branch 'linus' into sched/core
Merge reason: We are queueing up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 7ef6912..b7719ec 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2283,7 +2283,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, .mem_cgroup = mem, .memcg_record = rec, }; - unsigned long start, end; + ktime_t start, end; sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) | (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK); @@ -2292,7 +2292,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, sc.may_writepage, sc.gfp_mask); - start = sched_clock(); + start = ktime_get(); /* * NOTE: Although we can get the priority field, using it * here is not a good idea, since it limits the pages we can scan. @@ -2301,10 +2301,10 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, * the priority and make it zero. */ shrink_zone(0, zone, &sc); - end = sched_clock(); + end = ktime_get(); if (rec) - rec->elapsed += end - start; + rec->elapsed += ktime_to_ns(ktime_sub(end, start)); *scanned = sc.nr_scanned; trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed); @@ -2319,7 +2319,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, { struct zonelist *zonelist; unsigned long nr_reclaimed; - unsigned long start, end; + ktime_t start, end; int nid; struct scan_control sc = { .may_writepage = !laptop_mode, @@ -2337,7 +2337,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, .gfp_mask = sc.gfp_mask, }; - start = sched_clock(); + start = ktime_get(); /* * Unlike direct reclaim via alloc_pages(), memcg's reclaim doesn't * take care of from where we get pages. So the node where we start the @@ -2352,9 +2352,9 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, sc.gfp_mask); nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); - end = sched_clock(); + end = ktime_get(); if (rec) - rec->elapsed += end - start; + rec->elapsed += ktime_to_ns(ktime_sub(end, start)); trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed); @@ -2529,6 +2529,9 @@ loop_again: high_wmark_pages(zone), 0, 0)) { end_zone = i; break; + } else { + /* If balanced, clear the congested flag */ + zone_clear_flag(zone, ZONE_CONGESTED); } } if (i < 0) |
