[PATCH v2 03/22] memcg: use vm_swappiness from current memcg
From: Konstantin Khlebnikov <hidden>
Date: 2012-02-20 17:22:52
Also in:
lkml
Subsystem:
memory management, memory management - mglru (multi-gen lru), memory management - reclaim, the rest · Maintainers:
Andrew Morton, Johannes Weiner, Linus Torvalds
At this point this is always the same cgroup, but it allows to drop one argument. Signed-off-by: Konstantin Khlebnikov <redacted> --- mm/vmscan.c | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 4bb23ef..c54a75b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c@@ -1890,12 +1890,11 @@ static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan, return shrink_inactive_list(nr_to_scan, mz, sc, priority, file); } -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->current_mem_cgroup); } /*
@@ -1963,8 +1962,8 @@ static void get_scan_count(struct mem_cgroup_zone *mz, struct scan_control *sc, * 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 --
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