The patch titled
Subject: mm: memcontrol: cleanup css_reset callback
has been removed from the -mm tree. Its filename was
mm-memcontrol-cleanup-css_reset-callback.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Subject: mm: memcontrol: cleanup css_reset callback
- Do not take memcg_limit_mutex for resetting limits - the cgroup cannot
be altered from userspace anymore, so no need to protect them.
- Use plain page_counter_limit() for resetting ->memory and ->memsw
limits instead of mem_cgrouop_resize_* helpers - we enlarge the limits,
so no need in special handling.
- Reset ->swap and ->tcpmem limits as well.
Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff -puN mm/memcontrol.c~mm-memcontrol-cleanup-css_reset-callback mm/memcontrol.c
--- a/mm/memcontrol.c~mm-memcontrol-cleanup-css_reset-callback
+++ a/mm/memcontrol.c
@@ -4257,9 +4257,11 @@ static void mem_cgroup_css_reset(struct
{
struct mem_cgroup *memcg = mem_cgroup_from_css(css);
- mem_cgroup_resize_limit(memcg, PAGE_COUNTER_MAX);
- mem_cgroup_resize_memsw_limit(memcg, PAGE_COUNTER_MAX);
- memcg_update_kmem_limit(memcg, PAGE_COUNTER_MAX);
+ page_counter_limit(&memcg->memory, PAGE_COUNTER_MAX);
+ page_counter_limit(&memcg->swap, PAGE_COUNTER_MAX);
+ page_counter_limit(&memcg->memsw, PAGE_COUNTER_MAX);
+ page_counter_limit(&memcg->kmem, PAGE_COUNTER_MAX);
+ page_counter_limit(&memcg->tcpmem, PAGE_COUNTER_MAX);
memcg->low = 0;
memcg->high = PAGE_COUNTER_MAX;
memcg->soft_limit = PAGE_COUNTER_MAX;
_
Patches currently in -mm which might be from vdavydov@xxxxxxxxxxxxx are
mm-oom_reaper-implement-oom-victims-queuing-fix.patch
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