The quilt patch titled
Subject: mm/memcg: non-hierarchical mode is deprecated
has been removed from the -mm tree. Its filename was
mm-memcg-non-hierarchical-mode-is-deprecated.patch
This patch was dropped because it was merged into mm-stable
------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/memcg: non-hierarchical mode is deprecated
After commit bef8620cd8e0 ("mm: memcg: deprecate the non-hierarchical
mode"), we won't have a NULL parent except root_mem_cgroup. And this case
is handled when (memcg == root).
Link: https://lkml.kernel.org/r/20220403020833.26164-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Reviewed-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 3 ---
1 file changed, 3 deletions(-)
--- a/mm/memcontrol.c~mm-memcg-non-hierarchical-mode-is-deprecated
+++ a/mm/memcontrol.c
@@ -6587,9 +6587,6 @@ void mem_cgroup_calculate_protection(str
return;
parent = parent_mem_cgroup(memcg);
- /* No parent means a non-hierarchical mode on v1 memcg */
- if (!parent)
- return;
if (parent == root) {
memcg->memory.emin = READ_ONCE(memcg->memory.min);
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-vmscan-not-necessary-to-re-init-the-list-for-each-iteration.patch
mm-vmscan-filter-empty-page_list-at-the-beginning.patch
mm-vmscan-not-use-numa_no_node-as-indicator-of-page-on-different-node.patch
