The patch titled
Subject: mm/memcg: use vm_swappiness from target memory cgroup
has been added to the -mm tree. Its filename is
mm-memcg-use-vm_swappiness-from-target-memory-cgroup.patch
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------------------------------------------------------
From: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Subject: mm/memcg: use vm_swappiness from target memory cgroup
Use vm_swappiness from memory cgroup which is triggered this memory
reclaim. This is more reasonable and allows to kill one argument.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Glauber Costa <glommer@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff -puN mm/vmscan.c~mm-memcg-use-vm_swappiness-from-target-memory-cgroup mm/vmscan.c
--- a/mm/vmscan.c~mm-memcg-use-vm_swappiness-from-target-memory-cgroup
+++ a/mm/vmscan.c
@@ -1840,12 +1840,11 @@ static unsigned long shrink_list(enum lr
return shrink_inactive_list(nr_to_scan, mz, sc, priority, lru);
}
-static int vmscan_swappiness(struct mem_cgroup_zone *mz,
- struct scan_control *sc)
+static int vmscan_swappiness(struct scan_control *sc)
{
if (global_reclaim(sc))
return vm_swappiness;
- return mem_cgroup_swappiness(mz->mem_cgroup);
+ return mem_cgroup_swappiness(sc->target_mem_cgroup);
}
/*
@@ -1913,8 +1912,8 @@ static void get_scan_count(struct mem_cg
* With swappiness at 100, anonymous and file have the same priority.
* This scanning priority is essentially the inverse of IO cost.
*/
- anon_prio = vmscan_swappiness(mz, sc);
- file_prio = 200 - vmscan_swappiness(mz, sc);
+ anon_prio = vmscan_swappiness(sc);
+ file_prio = 200 - vmscan_swappiness(sc);
/*
* OK, so we have swap space and a fair amount of page cache
_
Subject: Subject: mm/memcg: use vm_swappiness from target memory cgroup
Patches currently in -mm which might be from khlebnikov@xxxxxxxxxx are
origin.patch
radix-tree-introduce-bit-optimized-iterator.patch
radix-tree-introduce-bit-optimized-iterator-v3.patch
radix-tree-introduce-bit-optimized-iterator-v3-fix.patch
radix-tree-rewrite-gang-lookup-with-using-iterator.patch
radix-tree-use-iterators-in-find_get_pages-functions.patch
linux-next.patch
mm-fix-page-faults-detection-in-swap-token-logic.patch
mm-memcg-scanning_global_lru-means-mem_cgroup_disabled.patch
mm-memcg-move-reclaim_stat-into-lruvec.patch
mm-push-lru-index-into-shrink_active_list.patch
mm-push-lru-index-into-shrink_active_list-fix.patch
mm-mark-mm-inline-functions-as-__always_inline.patch
mm-remove-lru-type-checks-from-__isolate_lru_page.patch
mm-memcg-kill-mem_cgroup_lru_del.patch
mm-memcg-use-vm_swappiness-from-target-memory-cgroup.patch
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