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ANDROID: Export memcg functions to allow module to add new files

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Export cgroup_add_legacy_cftypes and a helper function to allow vendor module to expose additional files in the memory cgroup hierarchy.

Bug: 192052083

Signed-off-by: Liujie Xie <xieliujie@oppo.com>
Change-Id: Ie2b936b3e77c7ab6d740d1bb6d70e03c70a326a7
This commit is contained in:
Liujie Xie
2021-06-25 22:16:33 +08:00
committed by Suren Baghdasaryan
parent 46bf3b94e7
commit f41a95eadc
2 changed files with 2 additions and 0 deletions
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1
kernel/cgroup/cgroup.c
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@@ -4123,6 +4123,7 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
cft->flags |= __CFTYPE_NOT_ON_DFL; cft->flags |= __CFTYPE_NOT_ON_DFL;
return cgroup_add_cftypes(ss, cfts); return cgroup_add_cftypes(ss, cfts);
} }
EXPORT_SYMBOL_GPL(cgroup_add_legacy_cftypes);
/** /**
* cgroup_file_notify - generate a file modified event for a cgroup_file * cgroup_file_notify - generate a file modified event for a cgroup_file

1
mm/memcontrol.c
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@@ -5187,6 +5187,7 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
WARN_ON_ONCE(!rcu_read_lock_held()); WARN_ON_ONCE(!rcu_read_lock_held());
return idr_find(&mem_cgroup_idr, id); return idr_find(&mem_cgroup_idr, id);
} }
EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
{ {